单项选择题
CRH2A 给水卫生系统DTC 显示故障代码16,真空压力开关判断故障:真空发生器抽真空时间是()
A.7S-15S
B.8S-16S
C.9S-17S
D.10S-18S
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单项选择题
A.7S-15S
B.8S-16S
C.9S-17S
D.10S-18S
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