通用知识:机车最大运行速度在( )km/h的机车适宜采用架悬式牵引电动机。A.140~200 B.100~120 C.200~250 D.200...

作者: tihaiku 人气: - 评论: 0
问题 通用知识:机车最大运行速度在( )km/h的机车适宜采用架悬式牵引电动机。
选项 A.140~200 B.100~120 C.200~250 D.200~300
答案 A
解析 T-427
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