power mains
英
美
- 动力干线,供电网
双语例句
- The water mains had numerous breaks, with the great majority of the breaks occuring in sand, silt, or filled ground.
自来水干线有许多处破裂，但绝大多数的破裂发生在砂地，淤泥地或回填土中。 - Oil rigs pumped on it and power lines zigzagged all over it.
在这片土地上，牲畜在吃草，钻塔在抽油，输电线纵横交错，四通八达，货车在缓慢吃力地行驶。 - Today many independent producers sell power near and far over transmission lines they do not own.
现在有许多独立发电厂透过不是自己建造的输电线，将电力卖到远近各处。 - Please turn off the electric power.
请把电源关掉。 - It is sometimes mistaken for a power supply hum.
有时候，亚音频会被错误的认为是电源交流声。
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