SolidWorks 2010版零件与装配体教程(配套光盘实例文件 -SolidWorks 2010 edition components and assembly body course (necessary compact disc example document

solidworks工程图自动绘制半圆的十字中心线,宏程序，圆的中心线快速标注(Solidworks automatically draws a semicircular cross center line, macro program, and a circle's center line is quickly marked)