单项选择题

CRH1型防尘板座距轴肩10-30mm 内，截面的平均值应满足Φ（）mm。

A.160.110-160.174
B.160.000-160.174
C.160.120-160.174
D.160.127-160.174

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单项选择题

A.160.100-160.125
B.160.134-160.174
C.160.120-160.174
D.160.127-160.174

单项选择题

A.159.7-159.925
B.159.734-159.974
C.159.434-159.974
D.159.4-159.8

单项选择题

A.159.4-159.8
B.159.734-159.974
C.159.434-159.974
D.158.8-159