电力电缆敷设过程中弯曲半径过小,会导致()。
A.机械损伤;
B.电缆过热;
C.过电压;
D.电缆击穿。
参考答案:A
—I’m a little thirsty. Would you mind ______ me some water?
—______.I’ll do it right away.
A. to pass; OK B. passing; Certainly not C. passing; Of course
PWS主要由五部分组件组成?