普通车床车工普通车床车工综合练习单项选择题每日一练(2019.04.24)

A.150#
B.300#
C.800#
D.1200#

A.0.01
B.0.1
C.1
D.10

A.中碳钢
B.低碳钢
C.高碳钢
D.有色金属

A.0.05
B.0.10
C.0.38
D.0.40

A.2.309
B.1.4785
C.1.451
D.1.814