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d.innerHTML = d.innerHTML + '<a class=\"download_word download_word_lb\" href=\"javascript:;\" id=\"vipdown\" onclick=\"showpay(2)\"><div class=\"download_card\"><div class=\"card_nr card_nr_lb\"><h4 class=\"card_bt\">区分这两种常见合成纤维材料(锦纶和氨纶的差别)</h4><div class=\"download_card_msg\">锦纶和氨纶都是非常好的合成纤维材料。它们具有各自的特点和优点，因此通常选择它们的领域和应用是不同的。锦纶是一种强度高、耐磨损、不易变形，通常用于制造坚固耐用的物品。氨纶是一种柔软、弹性高的纤维，特别适。下面小编给大家分享区分这两种常见合成纤维材料(锦纶和氨纶的差别)，希望能帮助到大家。 区分这两种常见合成纤维材料(锦纶和氨纶的差别)文档下载网址链接：</div></div><div class=\"download_card_btn download_card_btn_lb\"><div class=\"content_box_tj\"><span>推荐度：</span><img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\"></div><div class=\"downlod_btn_right demo_tc downlod_btn_right_lb\"><em class=\"downlod_icon\"></em>点击下载文档<span>文档为doc格式</span></div> </div></div></a>';
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