粗加工和半精加工中的刀具半径补偿值为()。
A、刀具半径值
B、精加工余量
C、刀具半径值与精加工余量之和
D、无正确答案
参考答案:C
--I'll help you whenever you need me,
--I would love____________.
A.you helping
B.that you'll help
C.you to help
D.that you help
我国交流手弧焊机的空载电压为()。
A、85~100V
B、36~60V
C、65~85V
D、50~70V