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【单选题】
CRH380B型动车组备用制动，通过辅助制动手柄 (C02) 来实现( )的制动和缓解。_x000D_
A.
两端头车
B.
动力车
C.
动车组_x000D_
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】After the birth of my second child，I got a job at a restaurant.Having worked with an experienced 16for a few days，I was 17to wait tables on my own.All went 18that first week.When Saturday night came，I...
A.
repeated
B.
discovered
C.
corrected
D.
described