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- For three-phase AC power supply systems and locomotive converter complex and electric locomotives gradually tend to adopt a one-way AC power frequency. 因三相交流供电系统和机车变流装置复杂，电力机车逐渐趋向采用工频单向交流电。
- AC power frequency track circuit 交流工频轨道电路
- Intelligent AC power frequency cycle instrument 智能交流工频周波仪表
- Procedures for Measurement of Power Frequency Electric and Magnetic Fields from AC Power Lines 交流电力线路市电频率电场和磁场的测量程序
- The ac power produced by APU generator is of constant frequency. APU发电机产生的交流电源是恒频的。
- Can We Hear Differences Between AC Power Cords? 我们能听出来不同电源线的区别么?
- Remove the AC power adapter from the notebook PC. 拆除交流电源适配器的笔记本电脑.
- Surge Arrester for AC power supply systems. 应用于交流电源系统的防雷保护；
- First, using the LDM+ on AC power is not ideal. 首先，接充电器听小M+不理想。
- AC power frequency cycle meter 交流工频周波表
- Impact in power frequency variation. 频率变化之影响。
- AC power frequency 交流工频
- AC power cord must be changed only at the qualified service shop. 电源线时,必须找有资格的维修店为您服务。
- Bring an AC power adapter for your destination country. 携带适用于目的地国家的电源转换插头。
- Manufacturer of AC power source equipment for testing. 生产检验之用的交流电源设备。
- Zizi the occasional sound: AC power supply line crosstalk. 偶尔的滋滋声：交流供电线路的串扰。
- The generator (APU) provide AC power using an alternator that supplies 115 volts at 400 Hz frequency. 发电使用一个交流发电机;提供115伏频率为400赫兹的交流电.
- The APU engine drive the generator in lower speed to produce ac power at constant frequency. APU发动机以低速驱动发电机，从而产生恒频的交流电。
- Do not staple or otherwise attach the ac power supply cord to building surface. 不要把交流电源线固定或附于建筑物的表面。
- Verify AC line voltage, phase and frequency with the controller data plate on the enclosure door prior to connecting AC power. 在连接交流电源之前,请验证交流电压、相位和频率是否与控制装置外壳门参数板上的相应数据相同。
