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汉语拼音：shì diàn

指城市里主要供居民使用的电源，电压一般是220伏，也有110伏的。

• Dual power supply, backup generator, total power supply of 32,000 KVA.

  高压双路供电, 市电总供电量为32,000kVA.后备发电机, 不间断电源系统.

• The energy electronic load simulator can be sent back to the utility.

  并且能够将受测试电源供应器所撷取的能量,回送至市电系统.

• In the Chicago telephone book he estimated that there were 154 750.

  他估计,在芝加哥市电话簿中有154750个姓.

• Dual power supply, backup generator, total power supply of 32, 000 KVA.

  高压双路供电, 市电总供电量为32, 000kVA.后备发电机, 不间断电源系统.

• Whether by day or night, electricity is restored, the emergency lights automatically turn off.

  无论白天或夜晚, 市电恢复正常时, 应急灯自动关断.

• The - phase - bridge inverter designed can not only control the output voltage but also operate - alone or grid - connected condition.

  文中之直流 - 交流功率转换器采用单相全桥式变流器,达成输出电压控制,能独立运转,亦可与市电并联.

• While the unity power power conditioner works in voltage - controlled mode so as to output AC voltage.

  当市电断路时,工作于电压控制模式,提供稳定的交流电源输出.

• The energy absorbed by the electronic load simulator can be turn back to the utility system.

  并且能够将从受测试电源供应器所撷取的能量,回送至市电系统.