electrodynamic type power factor meter

例句：

1. 1.The new electronic power factor meter is more accurate than the old one.
   新型电子功率因数表比旧的更准确。
2. 2.The engineer used the electrodynamic type power factor meter to measure the power consumption of the machine.
   工程师使用电磁型功率因数表测量机器的功率消耗。
3. 3.The power factor meter is essential for maintaining the efficiency of the electrical system.
   功率因数表对于维持电气系统的效率至关重要。