... main electric lighting system 主电气照明系统 main electric power source主电源 main element 主要部件 ...
双语例句
1
The output part of the electronic circuit controls a mainelectricpowersource, an acoustic horn loop and a brake system.
电子线路输出部分控制车辆的用电总电源、喇叭回路及刹车系统。
2
The nuclear plant lost its mainsource of electricpower to drive the pumps, and the tsunami knocked out the backup diesel generators that were supposed to drive the pumps in an emergency.
核电站失去了驱动冷却水泵的主要电力来源，海啸损毁了本应在紧急情况下驱动水泵的备用柴油发电机。
3
Electrified railway's traction load is usually the big consumer for the electricpower system, so electrified railway's traction load is the main power quality pollution source.