跌落式熔断器控制的变压器,在停电时应()。
A.通知用户将负载切除;
B.先拉开隔离刀闸;
C.先断开跌落式熔断器;
D.先拉开低压总开关。
参考答案:A
—I feel tired and sleepy.
—Why not stop _______?[ ]
A. resting
B. relaxed
C. to relax
D. relaxing
物权的涵义是什么?