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[单选题]
最高运行速度>160km£¯h的轮对轴颈上在距防尘板座端面50mm以外部位有纵向划痕深度不超过()时须清除毛刺后使用。
A.0.1mm
B.0.2mm
C.0.5mm
D.1.0mm
查看答案
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A.0.1mm
B.0.2mm
C.0.5mm
D.1.0mm
A.≤120km/h
B.>120km/h
C.≤160km/h
D.>160km/h
A.40mm2
B.50mm2
C.60mm2
D.70mm2
A.0.1mm
B.0.2mm
C.0.5mm
D.1.0mm