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【多选题】
自动制动阀手柄置于运转位，均衡风缸升压缓慢，可能的原因有（）。
A.
自动制动阀调整阀供气阀口被污物堵塞
B.
均衡风缸或其管路漏泄
C.
中继阀膜板破裂
D.
总风、均衡风缸管的通路过小
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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