变压器散热器检修,风机的调试应运行5min以上,()。
A.转动方向正确
B.运转应平稳、灵活
C.无异常噪声
D.三相电流基本平衡
参考答案:A, B, C, D
When collecting condensation for drinking water,().
A.a sponge used to mop up and store condensation must be kept salt free
B.only condensation on the bottom of the canopy should be collected
C.it should be strained through a finely woven cloth
D.chlorine tablets should be used to make it drinkable
()协议是Internet信息交换规则、规范的集合。
A.TUP/IP
B.TUP/CP
C.TCP/IP
D.TCP/CP