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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\">正压氧气呼吸器在煤矿安全生产的作用</h4><div class=\"download_card_msg\">1正压氧气呼吸器的介绍
1．1正压氧气呼吸器的定义
所谓正压氧气呼吸器属于闭路式压缩氧气呼吸器的一种，正压氧气呼吸器可将外界有毒有害空气与使用者的面部、眼睛和呼吸系统等完全隔离，该装置的呼吸气源主要来源于设备压缩的氧气，且呼出的废气不会直接。下面小编给大家分享正压氧气呼吸器在煤矿安全生产的作用，希望能帮助到大家。 正压氧气呼吸器在煤矿安全生产的作用文档下载网址链接：</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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