The coal fire not only consumes the massive resources, but also pollutes the environment.

煤火不仅消耗大量资源，而且污染环境，对矿井的安全生产也构成极大的威胁。

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The coal fire not only consumes the massive resources, but also pollutes the environment.

煤火不仅消耗大量资源，而且污染环境，对矿井的安全生产也构成极大的威胁。

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