![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
蓄电池部件提供紧急电源,每个蓄电池设备以浮充电模式与一个蓄电池充电器相联,列车上的所有蓄电池通过二极管与负载反向隔离,在失去高压的情况下,给主要的直流负载、客室通风和紧急照明供电()
A.45min
B.40min
C.35min
D.30min
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
A、45min
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.45min
B.40min
C.35min
D.30min
A、45min
A.45min
B.40min
C.35min
D.30min
A.蓄电池出现漏液;
B.蓄电池未连接充电线路;
C.充电后蓄电池电压低于正常工作电压;
D.充电后蓄电池电量不满足轿厢移动距离要求
A.(1)(4)(5)
B.(1)(2)(3)
C.(1)(3)(4)
D.(1)(2)(4)