弱电常用图标自动光圈电动变焦镜头RK系列红外探测器Weak commonly used icons (2012-07-19, Visual Basic, 303KB, 下载7次)
结合CAD开发界面，画出了一个齿轮减速器输入轴。With the CAD development interface, draw a gear reducer input shaft. (2012-05-09, Visual Basic, 13KB, 下载7次)