共找到 6 個(gè)相關(guān)產(chǎn)品馬可波羅 > 其他復(fù)印、打印、掃描設(shè)備> 電動(dòng)投影幕500寸

類目：

品質(zhì)商家熱力排行

全國(guó)

<div   id="njvyibfpo0"   class="s_product_item">

<div   id="njvyibfpo0"   class="s_product_content s_product_content_r">
<div   id="njvyibfpo0"   class="s_product_title" score="43" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://m.fanglianvip.com/product-detail/100270378670.html">廠家直銷 大型電動(dòng)工程投影幕（200寸-500寸按規(guī)格定做）
</a>

</div>
<div   id="njvyibfpo0"   class="s_product_info">


<ul class="s_product_parameter">
<li id="njvyibfpo0"    class="new_li">
<a href="http://m.fanglianvip.com/product-detail/100270378670.html" data-num="9"  data-flag="0" target="_blank">
<table class="new_list">

<tr>
<td class="td_1"><div>品牌/型號(hào)：</div></td>
<td class="td_2"><div>維明視/工程幕</div></td>
<td class="td_1"><div>型號(hào)：</div></td>
<td class="td_2"><div>工程幕</div></td>


</tr>
<tr>
<td class="td_1"><div>重量：</div></td>
<td class="td_2"><div>100（kg）</div></td>
<td class="td_1"><div>品牌：</div></td>
<td class="td_2"><div>維明視</div></td>


</tr>
<tr>
<td class="td_1"><div>規(guī)格：</div></td>
<td class="td_2"><div>200英寸-500英寸</div></td>

<td class="td_1"><div>所屬分類：</div></td><td class="td_2"><div></div></td>

</tr>

</table>
</a>
</li>
</ul>


<div   id="njvyibfpo0"   class="s_product_contact plistk">
<a  data-num="3"  data-flag="0" target="_blank">
廣州市維明視視聽設(shè)備有限公司（銷售部）
</a>

<span id="njvyibfpo0"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
視頻會(huì)議系統(tǒng),其他復(fù)印、打印、掃描設(shè)備
</a>
<span id="njvyibfpo0"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://qinxuanshi.cn.makepolo.com/contact_us.html?proid=100270378670">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="njvyibfpo0"    class="plistk" id="">
報(bào)價(jià):<strong>2500.00</strong>元</li>

<li id="njvyibfpo0"    class="plistk" id="xu">
累計(jì)詢盤:1次</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://m.fanglianvip.com/product-detail/100270378670.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="njvyibfpo0"   class="clear"></div>
<div   id="njvyibfpo0"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="njvyibfpo0"   class="s_product_pic">
<div   id="njvyibfpo0"   class="s_product_pic_box"><a href="http://m.fanglianvip.com/product-detail/100270378670.html" target="_blank" data-num="7" data-flag="0" title="廠家直銷 大型電動(dòng)工程投影幕（200寸-500寸按規(guī)格定做）"><img src="http://img2.makepolo.cn/images/formals/img/product/0/408/0bb8113898d3a7e2b87a12913571d4f3.jpg~tplv-1fgsepqywg-mp:280:210.image" onload="if(this.height>this.width*0.75){if(this.height>88){this.height=88;} }else{if(this.width>118){this.width=118;} }" alt="廠家直銷 大型電動(dòng)工程投影幕（200寸-500寸按規(guī)格定做）"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

<div   id="njvyibfpo0"   class="s_product_item">

<div   id="njvyibfpo0"   class="s_product_content s_product_content_r">
<div   id="njvyibfpo0"   class="s_product_title" score="36" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://m.fanglianvip.com/product-detail/100451108683.html">廠家超大型高清電動(dòng)拉線幕 投影屏幕 投影銀幕 投影幕布 幕布材料
</a>

</div>
<div   id="njvyibfpo0"   class="s_product_info">


<ul class="s_product_parameter">
<li id="njvyibfpo0"    class="new_li">
<a href="http://m.fanglianvip.com/product-detail/100451108683.html" data-num="9"  data-flag="0" target="_blank">
<table class="new_list">

<tr>
<td class="td_1"><div>品牌/型號(hào)：</div></td>
<td class="td_2"><div>恒星/電動(dòng)拉線幕200-500寸</div></td>
<td class="td_1"><div>重量：</div></td>
<td class="td_2"><div>》50（kg）</div></td>


</tr>
<tr>
<td class="td_1"><div>投影屏幕：</div></td>
<td class="td_2"><div>投影銀幕</div></td>
<td class="td_1"><div>型號(hào)：</div></td>
<td class="td_2"><div>電動(dòng)拉線幕200-500寸</div></td>


</tr>
<tr>
<td class="td_1"><div>投影幕布：</div></td>
<td class="td_2"><div>幕布材料</div></td>
<td class="td_1"><div>電動(dòng)拉線幕：</div></td>
<td class="td_2"><div>高級(jí)投影軟幕</div></td>


</tr>

</table>
</a>
</li>
</ul>


<div   id="njvyibfpo0"   class="s_product_contact plistk">
[廣東深圳] <a  data-num="3"  data-flag="0" target="_blank">
深圳市海宇恒電子有限公司
</a>

<span id="njvyibfpo0"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
其他復(fù)印、打印、掃描設(shè)備
</a>
<span id="njvyibfpo0"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://screensbuy.cn.makepolo.com/contact_us.html?proid=100451108683">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="njvyibfpo0"    class="plistk" id="">
報(bào)價(jià):<strong>5000.00</strong>元</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://m.fanglianvip.com/product-detail/100451108683.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="njvyibfpo0"   class="clear"></div>
<div   id="njvyibfpo0"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="njvyibfpo0"   class="s_product_pic">
<div   id="njvyibfpo0"   class="s_product_pic_box"><a href="http://m.fanglianvip.com/product-detail/100451108683.html" target="_blank" data-num="7" data-flag="0" title="廠家超大型高清電動(dòng)拉線幕 投影屏幕 投影銀幕 投影幕布 幕布材料"><img src="http://img8.makepolo.cn/images/formals/img/product/861/613/2_517df0adef57b260cdabc3a33a080359.jpg~tplv-1exjxyof9i-1:280:210.image" onload="if(this.height>this.width*0.75){if(this.height>88){this.height=88;} }else{if(this.width>118){this.width=118;} }" alt="廠家超大型高清電動(dòng)拉線幕 投影屏幕 投影銀幕 投影幕布 幕布材料"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

<div   id="njvyibfpo0"   class="s_product_item">

<div   id="njvyibfpo0"   class="s_product_content s_product_content_r">
<div   id="njvyibfpo0"   class="s_product_title" score="23" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://m.fanglianvip.com/product-detail/100065656413.html">廠家直銷 大型電動(dòng)工程投影幕（200寸-500寸按規(guī)格定做）
</a>

</div>
<div   id="njvyibfpo0"   class="s_product_info">


<ul class="s_product_parameter">
<li id="njvyibfpo0"    class="new_li">
<a href="http://m.fanglianvip.com/product-detail/100065656413.html" data-num="9"  data-flag="0" target="_blank">
<table class="new_list">

<tr>
<td class="td_1"><div>品牌/型號(hào)：</div></td>
<td class="td_2"><div>維明視/工程幕</div></td>
<td class="td_1"><div>重量：</div></td>
<td class="td_2"><div>100（kg）</div></td>


</tr>
<tr>

<td class="td_1"><div>所屬分類：</div></td><td class="td_2"><div></div></td>
<td class="td_1"><div>產(chǎn)品關(guān)鍵詞：</div></td><td class="td_2"><div>電動(dòng)投影幕500寸</div></td>

</tr>
<tr>


</tr>

</table>
</a>
</li>
</ul>


<div   id="njvyibfpo0"   class="s_product_contact plistk">
[廣東廣州] <a  data-num="3"  data-flag="0" target="_blank">
廣州市維明視視聽設(shè)備有限公司
</a>

<span id="njvyibfpo0"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
辦公文教用品代理加盟,其他電影機(jī)械與器材,
</a>
<span id="njvyibfpo0"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://wmsst.cn.makepolo.com/contact_us.html?proid=100065656413">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="njvyibfpo0"    class="plistk" id="">
報(bào)價(jià):<strong>2300</strong>元</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://m.fanglianvip.com/product-detail/100065656413.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="njvyibfpo0"   class="clear"></div>
<div   id="njvyibfpo0"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="njvyibfpo0"   class="s_product_pic">
<div   id="njvyibfpo0"   class="s_product_pic_box"><a href="http://m.fanglianvip.com/product-detail/100065656413.html" target="_blank" data-num="7" data-flag="0" title="廠家直銷 大型電動(dòng)工程投影幕（200寸-500寸按規(guī)格定做）"><img src="http://img2.makepolo.cn/images/formals/img/product/252/514/d7d4ffeaac350718b4575632b3276636.jpg~tplv-1fgsepqywg-mp:280:210.image" onload="if(this.height>this.width*0.75){if(this.height>88){this.height=88;} }else{if(this.width>118){this.width=118;} }" alt="廠家直銷 大型電動(dòng)工程投影幕（200寸-500寸按規(guī)格定做）"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

<div   id="njvyibfpo0"   class="s_product_item">

<div   id="njvyibfpo0"   class="s_product_content s_product_content_r">
<div   id="njvyibfpo0"   class="s_product_title" score="0" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://m.fanglianvip.com/product-detail/100451108785.html">銷售電動(dòng)遙控大型電影銀幕
</a>

</div>
<div   id="njvyibfpo0"   class="s_product_info">


<ul class="s_product_parameter">
<li id="njvyibfpo0"    class="new_li">
<a href="http://m.fanglianvip.com/product-detail/100451108785.html" data-num="9"  data-flag="0" target="_blank">
<table class="new_list">

<tr>
<td class="td_1"><div>品牌/型號(hào)：</div></td>
<td class="td_2"><div>恒星/電動(dòng)拉線幕200-500寸</div></td>
<td class="td_1"><div>品牌：</div></td>
<td class="td_2"><div>恒星</div></td>


</tr>
<tr>
<td class="td_1"><div>型號(hào)：</div></td>
<td class="td_2"><div>電動(dòng)拉線幕200-500寸</div></td>
<td class="td_1"><div>重量：</div></td>
<td class="td_2"><div>》50（kg）</div></td>


</tr>
<tr>
<td class="td_1"><div>規(guī)格：</div></td>
<td class="td_2"><div>根據(jù)客戶尺寸定制</div></td>
<td class="td_1"><div>投影屏幕：</div></td>
<td class="td_2"><div>投影銀幕</div></td>


</tr>

</table>
</a>
</li>
</ul>


<div   id="njvyibfpo0"   class="s_product_contact plistk">
[廣東深圳] <a  data-num="3"  data-flag="0" target="_blank">
深圳市海宇恒電子有限公司
</a>

<span id="njvyibfpo0"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
其他復(fù)印、打印、掃描設(shè)備
</a>
<span id="njvyibfpo0"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://screensbuy.cn.makepolo.com/contact_us.html?proid=100451108785">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="njvyibfpo0"    class="plistk" id="">
報(bào)價(jià):<strong>5000.00</strong>元</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://m.fanglianvip.com/product-detail/100451108785.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="njvyibfpo0"   class="clear"></div>
<div   id="njvyibfpo0"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="njvyibfpo0"   class="s_product_pic">
<div   id="njvyibfpo0"   class="s_product_pic_box"><a href="http://m.fanglianvip.com/product-detail/100451108785.html" target="_blank" data-num="7" data-flag="0" title="銷售電動(dòng)遙控大型電影銀幕"><img src="http://img8.makepolo.cn/images/formals/img/product/861/613/2_517df0adef57b260cdabc3a33a080359.jpg~tplv-1exjxyof9i-1:280:210.image" onload="if(this.height>this.width*0.75){if(this.height>88){this.height=88;} }else{if(this.width>118){this.width=118;} }" alt="銷售電動(dòng)遙控大型電影銀幕"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

<div   id="njvyibfpo0"   class="s_product_item">

<div   id="njvyibfpo0"   class="s_product_content s_product_content_r">
<div   id="njvyibfpo0"   class="s_product_title" score="0" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://m.fanglianvip.com/product-detail/100451108740.html">超大電動(dòng)幕/工程大屏幕/高清幕/電動(dòng)投影銀幕300寸
</a>

</div>
<div   id="njvyibfpo0"   class="s_product_info">


<ul class="s_product_parameter">
<li id="njvyibfpo0"    class="new_li">
<a href="http://m.fanglianvip.com/product-detail/100451108740.html" data-num="9"  data-flag="0" target="_blank">
<table class="new_list">

<tr>
<td class="td_1"><div>品牌/型號(hào)：</div></td>
<td class="td_2"><div>恒星/電動(dòng)拉線幕200-500寸</div></td>
<td class="td_1"><div>品牌：</div></td>
<td class="td_2"><div>恒星</div></td>


</tr>
<tr>
<td class="td_1"><div>型號(hào)：</div></td>
<td class="td_2"><div>電動(dòng)拉線幕200-500寸</div></td>
<td class="td_1"><div>重量：</div></td>
<td class="td_2"><div>》50（kg）</div></td>


</tr>
<tr>
<td class="td_1"><div>規(guī)格：</div></td>
<td class="td_2"><div>根據(jù)客戶尺寸定制</div></td>
<td class="td_1"><div>投影屏幕：</div></td>
<td class="td_2"><div>工程大屏幕</div></td>


</tr>

</table>
</a>
</li>
</ul>


<div   id="njvyibfpo0"   class="s_product_contact plistk">
[廣東深圳] <a  data-num="3"  data-flag="0" target="_blank">
深圳市海宇恒電子有限公司
</a>

<span id="njvyibfpo0"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
其他復(fù)印、打印、掃描設(shè)備
</a>
<span id="njvyibfpo0"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://screensbuy.cn.makepolo.com/contact_us.html?proid=100451108740">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="njvyibfpo0"    class="plistk" id="">
報(bào)價(jià):<strong>5000.00</strong>元</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://m.fanglianvip.com/product-detail/100451108740.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="njvyibfpo0"   class="clear"></div>
<div   id="njvyibfpo0"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="njvyibfpo0"   class="s_product_pic">
<div   id="njvyibfpo0"   class="s_product_pic_box"><a href="http://m.fanglianvip.com/product-detail/100451108740.html" target="_blank" data-num="7" data-flag="0" title="超大電動(dòng)幕/工程大屏幕/高清幕/電動(dòng)投影銀幕300寸"><img src="http://img8.makepolo.cn/images/formals/img/product/200/582/2_339050668753a04d442d0d4d8e93eb84.jpg~tplv-1exjxyof9i-1:280:210.image" onload="if(this.height>this.width*0.75){if(this.height>88){this.height=88;} }else{if(this.width>118){this.width=118;} }" alt="超大電動(dòng)幕/工程大屏幕/高清幕/電動(dòng)投影銀幕300寸"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

<div   id="njvyibfpo0"   class="s_product_item">

<div   id="njvyibfpo0"   class="s_product_content s_product_content_r">
<div   id="njvyibfpo0"   class="s_product_title" score="0" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://m.fanglianvip.com/product-detail/100451108778.html">批發(fā)供應(yīng)超大型金屬電動(dòng)幕 30米電動(dòng)幕 可定制
</a>

</div>
<div   id="njvyibfpo0"   class="s_product_info">


<ul class="s_product_parameter">
<li id="njvyibfpo0"    class="new_li">
<a href="http://m.fanglianvip.com/product-detail/100451108778.html" data-num="9"  data-flag="0" target="_blank">
<table class="new_list">

<tr>
<td class="td_1"><div>品牌/型號(hào)：</div></td>
<td class="td_2"><div>恒星/電動(dòng)拉線幕200-500寸</div></td>
<td class="td_1"><div>品牌：</div></td>
<td class="td_2"><div>恒星</div></td>


</tr>
<tr>
<td class="td_1"><div>型號(hào)：</div></td>
<td class="td_2"><div>電動(dòng)拉線幕200-500寸</div></td>
<td class="td_1"><div>重量：</div></td>
<td class="td_2"><div>》50（kg）</div></td>


</tr>
<tr>
<td class="td_1"><div>規(guī)格：</div></td>
<td class="td_2"><div>根據(jù)客戶尺寸定制</div></td>
<td class="td_1"><div>投影屏幕：</div></td>
<td class="td_2"><div>投影銀幕</div></td>


</tr>

</table>
</a>
</li>
</ul>


<div   id="njvyibfpo0"   class="s_product_contact plistk">
[廣東深圳] <a  data-num="3"  data-flag="0" target="_blank">
深圳市海宇恒電子有限公司
</a>

<span id="njvyibfpo0"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
其他復(fù)印、打印、掃描設(shè)備
</a>
<span id="njvyibfpo0"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://screensbuy.cn.makepolo.com/contact_us.html?proid=100451108778">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="njvyibfpo0"    class="plistk" id="">
報(bào)價(jià):<strong>5000.00</strong>元</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://m.fanglianvip.com/product-detail/100451108778.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="njvyibfpo0"   class="clear"></div>
<div   id="njvyibfpo0"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="njvyibfpo0"   class="s_product_pic">
<div   id="njvyibfpo0"   class="s_product_pic_box"><a href="http://m.fanglianvip.com/product-detail/100451108778.html" target="_blank" data-num="7" data-flag="0" title="批發(fā)供應(yīng)超大型金屬電動(dòng)幕 30米電動(dòng)幕 可定制"><img src="http://img8.makepolo.cn/images/formals/img/product/664/295/2_73e0050f3448ff14342d799d6cf88c6a.jpg~tplv-1exjxyof9i-1:280:210.image" onload="if(this.height>this.width*0.75){if(this.height>88){this.height=88;} }else{if(this.width>118){this.width=118;} }" alt="批發(fā)供應(yīng)超大型金屬電動(dòng)幕 30米電動(dòng)幕 可定制"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

精品推薦

相關(guān)推薦:

產(chǎn)品圖片:

本頁是馬可波羅為您提供的電動(dòng)投影幕500寸最新產(chǎn)品供應(yīng)商、制造商，囊括了電動(dòng)投影幕500寸產(chǎn)品的參數(shù)、型號(hào)、圖片、價(jià)格等信息，是電動(dòng)投影幕500寸產(chǎn)品的權(quán)威數(shù)據(jù)庫。我們會(huì)盡全力為您提供準(zhǔn)確、全面的信息!

馬可波羅網(wǎng)鄭重提醒：過低的價(jià)格和夸張的描述有可能是虛假信息，請(qǐng)買家謹(jǐn)慎對(duì)待，謹(jǐn)防欺詐。欺詐行為舉報(bào)郵箱：service@makepolo.com。了解更多防詐騙知識(shí)

泉州市一海三路科技有限公司福建省泉州市豐澤區(qū)丁榮路39號(hào)4樓416-3 閩ICP備18021442號(hào)-18

宁远县| 松溪县| 离岛区| 巴楚县| 柳江县| 宁都县| 无极县| 陆河县| 廊坊市| 齐齐哈尔市| 观塘区| 新源县| 寻甸| 石嘴山市| 霍山县| 兴化市| 建平县| 惠州市| 涡阳县| 商洛市| 凤庆县| 鸡东县| 舟山市| 宾川县| 建平县| 五台县| 神木县| 丹东市| 罗山县| 平阴县| 衡阳县| 灌南县| 金昌市| 临湘市| 麟游县| 辽阳市| 右玉县| 扶绥县| 张家川| 尼玛县| 长子县|

日本成年免费网站,亚洲不卡免费视频,亚洲天堂电影网,日韩高清在线观看,艺术美女,女仆照片,精品国产亚洲一区二区三区

電動(dòng)投影幕500寸