题目内容
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[单选题]
RE2A轮对压装前,应用酒精擦拭轴颈,并测量轴颈直径两处,一处位于轴端距离25~30mm处,另一处位于轴端距离()处。
A.140~160mm
B.150~170mm
C.130~150mm
D.100~120mm
答案
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A.140~160mm
B.150~170mm
C.130~150mm
D.100~120mm
第1题
A.20~25mm
B.25~30mm
C.30~35mm
D.35~40mm
第2题
第4题
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