海、淡水柜一般位于机舱,必须采用密闭式压力水柜,把水位的高低变成气压的高低,以高低压压力继电器作控制元件实现水位双位控制,其密闭水柜示意图与水泵自动启停控制线路,如图8-43所示。当水位处于H L 与H H 之间,此时触点KPL的状态是______。若此时SA处于自动位置,合上QS开关后,电机会______。
A.
断开的/启动
B.
断开的/不启动
C.
闭合的/启动
D.
闭合的/不启动
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