题目内容
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[单选题]
轴承压装,检测和选配前,轴承及附件、轮对及检测器具须同室存放,放置时间应不少于()。
A.5h
B.6h
C.7h
D.8h
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A.5h
B.6h
C.7h
D.8h
A.120.037-120.059,0.04-0.09
B.120.020-120.059,0.04-0.09
C.120.037-120.059,0.01-0.04
D.120.020-120.059,0.01-0.04
A.≤160km/h
B.≤120km/h
C.>160km/h