高低压配电室进线电缆孔应采取()措施。
参考答案:封堵
——Excuse me, do you know___________?
——About five minutes’ walk.
A. where the hospital is
B. how far the hospital is
C. how I can get to the hospital
电容器组禁止()。
A、带电合闸
B、带电荷合闸
C、停电合闸