“零、地分开”应理解为()和()始终分开。
A、零线;中性线N
B、零线;保护线PE
C、中性线N;保护线PE
D、中性线N;相线
参考答案:C
0.36里面有( )个十分之一和( )个百分之一。
We'd like to clear up some points ( ) with the technical part of the contract.
A. connected B. connectC. connecting D. being connected