document.write("机械图123.dwg 251.96 KB<br />流程图.dwg 11.27 KB<br />电路图123.dwg 65.80 KB<br />目录.doc 5.83 KB<br />自动涂胶机.doc 249.95 KB<br />驱动电路.dwg 24.44 KB<br />封皮.doc 2.15 KB<br />");