数控车床加工中需要换刀时,程序中应设定()点。
A.参考
B.机床原
C.刀位
D.换刀
参考答案:D
Martin has created enough memorable ________to make it easy to forgive his lows.
A.youngsters
B.nobles
C.highs
D.miserables
心痛定的通用名是:()
A.非洛地平
B.硝苯地平
C.酒石酸美托洛尔
D.苯磺酸氨氯地平