three-phase power factor meter
常見例句
- The principle and method for judging 48 wiring modes of the three-phase and three-wire Watt-hour meter by using pincers power factor meter are discussed in this paper.
討論了用鉗形功率因數(shù)表在線判斷三相三線有功電能表48種接線方式的原理及方法。
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