现在，它们被用作能够造出90%的工厂用电的发电机的原料。

Now, they are used to power generators that produce 90 percent of the plant's electricity.

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发电机组采用来自于起动电源的厂用电来起动。

The generating unit is started, using auxiliary power from the start-up source.

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以前环境要求不严格时，厂用电大约为发电机机组额定功率的5％一10％。

Prior to the strict requirements for environmental effects, the total auxiliary power required was approximately 5 %-10 % of generating unit rating.

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以前环境要求不严格时，厂用电大约为发电机机组额定功率的5％一10％。

Prior to the strict requirements for environmental effects, the total auxiliary power required was approximately 5 %-10 % of generating unit rating.

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