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[单选题]
25T型车塞拉门的过滤减压阀调整值应为()。
A.459~612kPa
B.359~612kPa
C.559~612kPa
D.459~712kPa
查看答案
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A.459~612kPa
B.359~612kPa
C.559~612kPa
D.459~712kPa
对CRH1A型动车组进行手动开/关门力的检测时,在塞拉阶段,车门的手动最大开/关门力应为()N。
A.100
B.140
C.160
D.200
A.1
B.3
C.10
D.20
A.1
B.2
C.2.5
D.3