气缸体平面度检测——陈文生
http://r3d7r1b12.hd-bkt.clouddn.com/5.%E6%B0%94%E7%BC%B8%E4%BD%93%E5%B9%B3%E9%9D%A2%E5%BA%A6%E6%A3%80%E6%B5%8B%E2%80%94%E9%99%88%E6%96%87%E7%94%9F.mp4
