A. 金属切削机床 B. 压力加工机床 C. 电加工机床 D. 组合机床
A. V架 B. 定位销 C. 定位块 D. 夹紧元件 E. 增力装置 F. 动力源
A. 动力变质岩 B. 火山岩 C. 混合岩
A. I‘m going to have another check-up. B. The results of the blood test are wrong. C. No. Just stay in bed and drink more water. D. Yes. You can go home tomorrow.