单项选择题X 纠错
A.2个 B.4个 C.6个 D.8个
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单项选择题
A.2~4mm B.3~6mm C.4~6mm D.5~7mm
A.600rnm B.650mm C.700mm D.750mm
A.40mm B.50mm C.60mm D.70mm
A.110mm B.220mm C.330mm D.440mm
A.54mm B.64mm C.75mm D.85mm
A.220mm B.240mm C.260mm D.280mm
A.刚性轴悬式电机悬挂 B.弹性轴悬式电机悬挂 C.架悬式电机悬挂 D.牵引电动机体悬挂
A.≥1mm B.≥2mm C.≥3mm D.≥4mm
A.≥11mm B.≥16mm C.≥18mm D.≥21mm
A.≤25mm B.≤30mm C.≤35mm D.≤40mm
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