行车中如果自动开关出现连续两次跳闸,必须停车检查,待故障处理后方可()运行。
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Which of the problems listed could be indicated if a sight glass in the refrigerant liquid line is full of bubbles?()
A. Proper refrigerant charge
B. Faulty expansion valve
C. Insufficient refrigerant
D. Solenoid valve stuck ope
如果被保险人在获得保险人赔偿之后未经保险人同意而放弃对第三者请求赔偿的权利,那么()
A. 该行为无效
B. 该行为有效
C. 该行为部分有效
D. 该行为延期生效