Reduction of NOX emission in burning coal is an important subject to prevent air pollution.

降低煤燃烧过程中NOX的排放是当前防止大气污染的一项重要内容。

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Reduction of NOX emission in burning coal is an important subject to prevent air pollution.

降低煤燃烧过程中NOX的排放是当前防止大气污染的一项重要内容。

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