vip彩票登陆,彩神welcome注册,金沙手机版下载

共找到 6 個(gè)相關(guān)產(chǎn)品馬可波羅 > 濾布> 進(jìn)口單絲濾布

類目：

濾布 (3)
滌綸纖維 (2)

品質(zhì)商家熱力排行

全國(guó)

<div   id="gn8cdul5"   class="s_product_item">

<div   id="gn8cdul5"   class="s_product_content s_product_content_r">
<div   id="gn8cdul5"   class="s_product_title" score="41" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://www.fhjczf.com/product-detail/100779445975.html">新帝克牌濾布濾網(wǎng)用0.14mm滌綸單絲 進(jìn)口線
</a>

</div>
<div   id="gn8cdul5"   class="s_product_info">


<ul class="s_product_parameter">
<li id="gn8cdul5"    class="new_li">
<a href="http://www.fhjczf.com/product-detail/100779445975.html" data-num="9"  data-flag="0" target="_blank">
<table class="new_list">

<tr>
<td class="td_1"><div>品牌/廠家：</div></td>
<td class="td_2"><div>新帝克</div></td>
<td class="td_1"><div>型號(hào)：</div></td>
<td class="td_2"><div>pet</div></td>


</tr>
<tr>
<td class="td_1"><div>產(chǎn)品名稱：</div></td>
<td class="td_2"><div>滌綸單絲</div></td>
<td class="td_1"><div>質(zhì)量等級(jí)：</div></td>
<td class="td_2"><div>特優(yōu)</div></td>


</tr>
<tr>
<td class="td_1"><div>纖維形態(tài)：</div></td>
<td class="td_2"><div>長(zhǎng)絲</div></td>
<td class="td_1"><div>細(xì)度：</div></td>
<td class="td_2"><div>150D</div></td>


</tr>

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


<div   id="gn8cdul5"   class="s_product_contact plistk">
[江蘇南通] <a  data-num="3"  data-flag="0" target="_blank">
南通新帝克單絲科技股份有限公司
</a>

<span id="gn8cdul5"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
丙綸纖維,滌綸纖維,錦綸纖維,功能纖維,其他
</a>
<span id="gn8cdul5"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://wwwjsntecnet.cn.makepolo.com/contact_us.html?proid=100779445975">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="gn8cdul5"    class="plistk" id="">
報(bào)價(jià):<strong>18</strong>元/千克</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://www.fhjczf.com/product-detail/100779445975.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="gn8cdul5"   class="clear"></div>
<div   id="gn8cdul5"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="gn8cdul5"   class="s_product_pic">
<div   id="gn8cdul5"   class="s_product_pic_box"><a href="http://www.fhjczf.com/product-detail/100779445975.html" target="_blank" data-num="7" data-flag="0" title="新帝克牌濾布濾網(wǎng)用0.14mm滌綸單絲 進(jìn)口線"><img src="http://img12.makepolo.cn/images/formals/img/product/239/571/4_3b877f3b6fe9d0a266e5f0b6ecd8e97b.jpg~tplv-fg0x5eo1ce-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="新帝克牌濾布濾網(wǎng)用0.14mm滌綸單絲 進(jìn)口線"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

<div   id="gn8cdul5"   class="s_product_item">

<div   id="gn8cdul5"   class="s_product_content s_product_content_r">
<div   id="gn8cdul5"   class="s_product_title" score="28" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://www.fhjczf.com/product-detail/100186547242.html">常州世澤機(jī)電有限公司 供應(yīng)進(jìn)口濾布、單絲濾布
</a>

</div>
<div   id="gn8cdul5"   class="s_product_info">


<ul class="s_product_parameter">
<li id="gn8cdul5"    class="new_li">
<a href="http://www.fhjczf.com/product-detail/100186547242.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>常規(guī)</div></td>

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

</tr>
<tr>

<td class="td_1"><div>產(chǎn)品關(guān)鍵詞：</div></td><td class="td_2"><div>進(jìn)口單絲濾布</div></td>
<td class="td_1"><div>最小采購(gòu)量：</div></td><td class="td_2"><div></div></td>

</tr>
<tr>


</tr>

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


<div   id="gn8cdul5"   class="s_product_contact plistk">
[江蘇常州] <a  data-num="3"  data-flag="0" target="_blank">
常州世澤機(jī)電有限公司
</a>

<span id="gn8cdul5"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
, ,繼電器
</a>
<span id="gn8cdul5"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://p0kkxbwf.cn.makepolo.com/contact_us.html?proid=100186547242">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="gn8cdul5"    class="plistk" id="">
報(bào)價(jià):面議</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://www.fhjczf.com/product-detail/100186547242.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="gn8cdul5"   class="clear"></div>
<div   id="gn8cdul5"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="gn8cdul5"   class="s_product_pic">
<div   id="gn8cdul5"   class="s_product_pic_box"><a href="http://www.fhjczf.com/product-detail/100186547242.html" target="_blank" data-num="7" data-flag="0" title="常州世澤機(jī)電有限公司 供應(yīng)進(jìn)口濾布、單絲濾布"><img src="http://img2.makepolo.cn/images/formals/img/product/334/126/5b26d7568ac8c778b7dff58ea2be2532.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="常州世澤機(jī)電有限公司 供應(yīng)進(jìn)口濾布、單絲濾布"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

<div   id="gn8cdul5"   class="s_product_item">

<div   id="gn8cdul5"   class="s_product_content s_product_content_r">
<div   id="gn8cdul5"   class="s_product_title" score="7" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://www.fhjczf.com/product-detail/100779442996.html">0.25mm本白、半消光 滌綸單絲 進(jìn)口線 新帝克 喇叭管裝
</a>

</div>
<div   id="gn8cdul5"   class="s_product_info">


<ul class="s_product_parameter">
<li id="gn8cdul5"    class="new_li">
<a href="http://www.fhjczf.com/product-detail/100779442996.html" data-num="9"  data-flag="0" target="_blank">
<table class="new_list">

<tr>
<td class="td_1"><div>品牌/廠家：</div></td>
<td class="td_2"><div>新帝克</div></td>
<td class="td_1"><div>型號(hào)：</div></td>
<td class="td_2"><div>0.25mm</div></td>


</tr>
<tr>
<td class="td_1"><div>產(chǎn)品名稱：</div></td>
<td class="td_2"><div>滌綸DT</div></td>
<td class="td_1"><div>質(zhì)量等級(jí)：</div></td>
<td class="td_2"><div>特優(yōu)</div></td>


</tr>
<tr>
<td class="td_1"><div>纖維形態(tài)：</div></td>
<td class="td_2"><div>長(zhǎng)絲</div></td>
<td class="td_1"><div>細(xì)度：</div></td>
<td class="td_2"><div>150D</div></td>


</tr>

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


<div   id="gn8cdul5"   class="s_product_contact plistk">
[江蘇南通] <a  data-num="3"  data-flag="0" target="_blank">
南通新帝克單絲科技股份有限公司
</a>

<span id="gn8cdul5"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
丙綸纖維,滌綸纖維,錦綸纖維,功能纖維,其他
</a>
<span id="gn8cdul5"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://wwwjsntecnet.cn.makepolo.com/contact_us.html?proid=100779442996">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="gn8cdul5"    class="plistk" id="">
報(bào)價(jià):<strong>16</strong>元/千克</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://www.fhjczf.com/product-detail/100779442996.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="gn8cdul5"   class="clear"></div>
<div   id="gn8cdul5"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="gn8cdul5"   class="s_product_pic">
<div   id="gn8cdul5"   class="s_product_pic_box"><a href="http://www.fhjczf.com/product-detail/100779442996.html" target="_blank" data-num="7" data-flag="0" title="0.25mm本白、半消光 滌綸單絲 進(jìn)口線 新帝克 喇叭管裝"><img src="http://img11.makepolo.cn/images/formals/img/product/81/761/4_fa515501bdc30890d674ab6691fc9615.jpg~tplv-fg0x5eo1ce-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="0.25mm本白、半消光 滌綸單絲 進(jìn)口線 新帝克 喇叭管裝"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

<div   id="gn8cdul5"   class="s_product_item">

<div   id="gn8cdul5"   class="s_product_content s_product_content_r">
<div   id="gn8cdul5"   class="s_product_title" score="6" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://www.fhjczf.com/product-detail/100451358233.html">供應(yīng)進(jìn)口不銹鋼篩網(wǎng)進(jìn)口絲印網(wǎng)進(jìn)口濾布東莞篩網(wǎng)廣州篩網(wǎng)佛山篩網(wǎng)
</a>

</div>
<div   id="gn8cdul5"   class="s_product_info">


<ul class="s_product_parameter">
<li id="gn8cdul5"    class="new_li">
<a href="http://www.fhjczf.com/product-detail/100451358233.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>佛山寶峰/504</div></td>
<td class="td_1"><div>加工定制：</div></td>
<td class="td_2"><div>加工定制</div></td>


</tr>
<tr>
<td class="td_1"><div>材質(zhì)：</div></td>
<td class="td_2"><div>滌綸</div></td>
<td class="td_1"><div>濾布類型：</div></td>
<td class="td_2"><div>單絲濾布</div></td>


</tr>
<tr>
<td class="td_1"><div>工藝：</div></td>
<td class="td_2"><div>單層織</div></td>
<td class="td_1"><div>類型：</div></td>
<td class="td_2"><div>高效</div></td>


</tr>

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


<div   id="gn8cdul5"   class="s_product_contact plistk">
[廣東佛山] <a  data-num="3"  data-flag="0" target="_blank">
佛山市寶峰高溫除塵設(shè)備有限公司
</a>

<span id="gn8cdul5"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
濾芯,輸送帶,過(guò)濾網(wǎng),過(guò)濾袋,液體過(guò)濾器
</a>
<span id="gn8cdul5"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://fsbf88858.cn.makepolo.com/contact_us.html?proid=100451358233">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="gn8cdul5"    class="plistk" id="">
報(bào)價(jià):<strong>50.00</strong>元</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://www.fhjczf.com/product-detail/100451358233.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="gn8cdul5"   class="clear"></div>
<div   id="gn8cdul5"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="gn8cdul5"   class="s_product_pic">
<div   id="gn8cdul5"   class="s_product_pic_box"><a href="http://www.fhjczf.com/product-detail/100451358233.html" target="_blank" data-num="7" data-flag="0" title="供應(yīng)進(jìn)口不銹鋼篩網(wǎng)進(jìn)口絲印網(wǎng)進(jìn)口濾布東莞篩網(wǎng)廣州篩網(wǎng)佛山篩網(wǎng)"><img src="http://img10.makepolo.cn/images/formals/img/product/932/620/3_0b74c9a4fcdc89039b0185e1e70b8bc5.jpg~tplv-2ri1qt4xxh-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="供應(yīng)進(jìn)口不銹鋼篩網(wǎng)進(jìn)口絲印網(wǎng)進(jìn)口濾布東莞篩網(wǎng)廣州篩網(wǎng)佛山篩網(wǎng)"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

<div   id="gn8cdul5"   class="s_product_item">

<div   id="gn8cdul5"   class="s_product_content s_product_content_r">
<div   id="gn8cdul5"   class="s_product_title" score="3" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://www.fhjczf.com/product-detail/100146487799.html">進(jìn)口網(wǎng)
</a>

</div>
<div   id="gn8cdul5"   class="s_product_info">


<ul class="s_product_parameter">
<li id="gn8cdul5"    class="new_li">
<a href="http://www.fhjczf.com/product-detail/100146487799.html" data-num="9"  data-flag="0" target="_blank">
<table class="new_list">

<tr>
<td class="td_1"><div>工藝：</div></td>
<td class="td_2"><div>單層織</div></td>
<td class="td_1"><div>材質(zhì)：</div></td>
<td class="td_2"><div>滌綸</div></td>


</tr>
<tr>
<td class="td_1"><div>濾布類型：</div></td>
<td class="td_2"><div>單絲濾布</div></td>
<td class="td_1"><div>類型：</div></td>
<td class="td_2"><div>高效</div></td>


</tr>
<tr>
<td class="td_1"><div>適用范圍：</div></td>
<td class="td_2"><div>空調(diào)、油煙機(jī)</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="gn8cdul5"   class="s_product_contact plistk">
<a  data-num="3"  data-flag="0" target="_blank">
浙江天臺(tái)鴻祥濾料有限公司
</a>

<span id="gn8cdul5"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
針織面料,濾紙,無(wú)塵紙、無(wú)塵布,濾料,過(guò)濾袋
</a>
<span id="gn8cdul5"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://tthxlb.cn.makepolo.com/contact_us.html?proid=100146487799">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="gn8cdul5"    class="plistk" id="">
報(bào)價(jià):面議</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://www.fhjczf.com/product-detail/100146487799.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="gn8cdul5"   class="clear"></div>
<div   id="gn8cdul5"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="gn8cdul5"   class="s_product_pic">
<div   id="gn8cdul5"   class="s_product_pic_box"><a href="http://www.fhjczf.com/product-detail/100146487799.html" target="_blank" data-num="7" data-flag="0" title="進(jìn)口網(wǎng)"><img src="http://img6.makepolo.cn/images/formals/img/product/861/256/594d99582191d810e4897da77725137c.jpg~tplv-izbs7asbod-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="進(jìn)口網(wǎng)"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

<div   id="gn8cdul5"   class="s_product_item">

<div   id="gn8cdul5"   class="s_product_content s_product_content_r">
<div   id="gn8cdul5"   class="s_product_title" score="2" pro_score="0">
<a target="_blank" class="plistk f14" data-num="1" data-flag="0" href="http://www.fhjczf.com/product-detail/100553627932.html">廠家直銷 德國(guó)標(biāo)準(zhǔn)P84除塵布 進(jìn)口原料 國(guó)產(chǎn)價(jià)格
</a>

</div>
<div   id="gn8cdul5"   class="s_product_info">


<ul class="s_product_parameter">
<li id="gn8cdul5"    class="new_li">
<a href="http://www.fhjczf.com/product-detail/100553627932.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>輝龍過(guò)濾/P84除塵布</div></td>
<td class="td_1"><div>加工定制：</div></td>
<td class="td_2"><div>加工定制</div></td>


</tr>
<tr>
<td class="td_1"><div>材質(zhì)：</div></td>
<td class="td_2"><div>P84針刺氈</div></td>
<td class="td_1"><div>濾布類型：</div></td>
<td class="td_2"><div>單絲濾布</div></td>


</tr>
<tr>
<td class="td_1"><div>工藝：</div></td>
<td class="td_2"><div>雙層織</div></td>
<td class="td_1"><div>類型：</div></td>
<td class="td_2"><div>亞高效</div></td>


</tr>

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


<div   id="gn8cdul5"   class="s_product_contact plistk">
<a  data-num="3"  data-flag="0" target="_blank">
蘇州輝龍凈化過(guò)濾有限公司
</a>

<span id="gn8cdul5"    class="s_product_line">|</span>
<a  data-num="3"  data-flag="0" target="_blank">
其他過(guò)濾機(jī),濾片,濾布,過(guò)濾袋,濾芯
</a>
<span id="gn8cdul5"    class="s_product_line">|</span>
<a   data-num="4" data-flag="0" rel="nofollow" data-pstate="0" data-conurl="http://szhlfilter.cn.makepolo.com/contact_us.html?proid=100553627932">
查看聯(lián)系方式
</a>
</div>
</div>
<ul class="s_product_param">

<li id="gn8cdul5"    class="plistk" id="">
報(bào)價(jià):<strong>1.00</strong>元</li>
<li id="fenlei"><a onclick="stat2_rf('36be0e3f215b480d98f15fce82e68fd3','pc_search_xp_1_show')" href="http://www.fhjczf.com/product-detail/100553627932.html#inquiryPop" target="_blank" rel="nofollow">點(diǎn)此詢價(jià)</a></li>
</ul>
<div   id="gn8cdul5"   class="clear"></div>
<div   id="gn8cdul5"   class="value_add_service_con">
<ul>
</ul>
</div>
</div>
<div   id="gn8cdul5"   class="s_product_pic">
<div   id="gn8cdul5"   class="s_product_pic_box"><a href="http://www.fhjczf.com/product-detail/100553627932.html" target="_blank" data-num="7" data-flag="0" title="廠家直銷 德國(guó)標(biāo)準(zhǔn)P84除塵布 進(jìn)口原料 國(guó)產(chǎn)價(jià)格"><img src="http://jic.makepolo.cn/img/none.jpg" 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 德國(guó)標(biāo)準(zhǔn)P84除塵布 進(jìn)口原料 國(guó)產(chǎn)價(jià)格"  onerror="javascript:this.src='http://jic.makepolo.cn/caigou/new/images/none.jpg'" /></a></div>
</div>
</div>

產(chǎn)品推薦

最新濾布產(chǎn)品

最新濾布企業(yè)

蘇州瑪柯特環(huán)保科技有限公司

產(chǎn)品圖片:

相關(guān)品牌:

本頁(yè)面馬可波羅為您提供 6條進(jìn)口單絲濾布最新產(chǎn)品供應(yīng)商、制造商，囊括了進(jìn)口單絲濾布產(chǎn)品的參數(shù)、型號(hào)、圖片、價(jià)格等信息，是進(jìn)口單絲濾布產(chǎn)品的權(quán)威數(shù)據(jù)庫(kù)。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(guò)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

泰兴市| 静宁县| 禹州市| 喀喇| 金乡县| 淮南市| 台东县| 尼勒克县| 新沂市| 双桥区| 满洲里市| 资阳市| 佛教| 武穴市| 沂南县| 邯郸市| 兴安盟| 台北县| 株洲市| 屯留县| 府谷县| 吴川市| 龙泉市| 澄城县| 东乌珠穆沁旗| 奉新县| 芦山县| 家居| 泸州市| 临泽县| 余庆县| 商南县| 福海县| 叶城县| 奎屯市| 福建省| 格尔木市| 石河子市| 姜堰市| 通江县| 遂宁市|

彩票快三首页,彩票306官方版下载,德赢vwin入口,大发客户端在哪下载,真人投注下载,开心娱乐app官网入口,55彩票

進(jìn)口單絲濾布