相比燃煤发电，生物质颗粒机发电优势明显。

Compared to coal, biomass pellet machine power generation.

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这样的发电功率成本，和大型的燃煤发电厂差不多。

That is about the same as a large coal-fired power station.

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这就带来了一个问题，因为中国70%的电力都来自燃煤发电企业。

That's problematic considering 70% of China's electricity is derived from coal.

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燃煤的发电厂也大大加重了空气污染。

Power plants that burn coal add greatly to air pollution.

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燃煤的发电厂也大大加重了空气污染。

Power plants that burn coal add greatly to air pollution.

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