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Sometimes, when the sun is out and his storage batteries are topped off, Mr. Lim's solar array will send surplus power back to the main grid.

有时候，太阳出来了，他的蓄电池充满后，廉先生的太阳能发电装置还可以将多余的电力送给主电网。

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Both long-distance and high-voltage transmissions require significant investment, but help transfer surplus power in China to areas where power is scarce.

远距离输电和高压输电都需要巨额的投入，但有助于将中国国内的剩余电量输送到那些电力短缺的地区。

youdao

Both long-distance and high-voltage transmissions require significant investment, but help transfer surplus power in China to areas where power is scarce.

远距离输电和高压输电都需要巨额的投入，但有助于将中国国内的剩余电量输送到那些电力短缺的地区。

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