带电短接开关时,要求该开关( )
A.合闸回路保险已取下
B.跳闸回路保险已取下
C.开关在合闸位置
D.开关在跳闸状态
E.跳闸机构已锁死
参考答案:B,C,E
I’m into the video game, it’s hard to think of anything else. All my focus is on finishing the story line.
A.Unless
B.Once
C.Whether
D.Although
叩诊