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[单选题]
120型控制阀在制动位时,当制动缸压力达到()时,局减阀切断列车管与制动缸的通路,第二阶段局减结束。
A.50~70KPa
B.90~110KPa
C.120~160KPa
D.300~360KPa
查看答案
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A.50~70KPa
B.90~110KPa
C.120~160KPa
D.300~360KPa
A.3.8bar,3.3bar
B.3.5bar,3.0bar
C.4.8bar,3.3bar
D.4.8bar,3.0bar
A.200Kpa
B.240Kpa
C.300Kpa
D.340Kpa
A.200Kpa
B.240Kpa
C.300Kpa
D.340Kpa