1、用G90、G94编写下图零件的加工程序,毛坯为Φ50mmX65mm,材料为45<img style="box-sizing: initial; border: 0px; vertical-align: top; max-width: 520px; font-family: Arial, "Hiragino Sans GB", "Microsoft YaHei", 微软雅黑, Helvetica, sans-serif; font-size: 16px; white-space: pre-wrap; background-color: rgb(255, 255, 255); backface-visibility: hidden; image-rendering: -webkit-optimize-contrast; transform: translateZ(0px); max-height: initial !important;" dat