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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\">关键电路驱动接口</h4><div class=\"download_card_msg\">G题　手写绘图板 
一、任务 
&ensp;&ensp;&ensp;&ensp;利用普通PCB覆铜板设计和制作手写绘图输入设备。系统构成框图如图G-1所示。普通覆铜板尺寸为15cm×10cm，其四角用导线连接到电路，同时，一根带导线的普通表。下面小编给大家分享关键电路驱动接口，希望能帮助到大家。 关键电路驱动接口文档下载网址链接：</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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