接入中性点有效接地的高压线路的计量装置,应采用三相四线有功、无功电能表。()
参考答案:对
接入中性点有效接地的高压线路的计量装置,应采用三相四线有功、无功电能表。()
参考答案:对
阅读理解 | ||
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( )1. Mrs Green is the oldest(最大的)in the family. | ||
( )2. Mr Green's birthday is August23rd. | ||
( )3. There are four people in this family. | ||
( )4. Jack's father is forty-five years old. | ||
( )5. Rose is Jack's sister. |