Jackson is using a section of the clean Air Act, the New source Performance Standards, to clean up existing sources of carbon pollution.
Jackson在利用《清洁空气法案》的其中一章——“新排放源绩效标准”来清理现有的碳排放源。
The existing status of formaldehyde pollution in China was introduced and source of formaldehyde pollution was analysed.
介绍了我国目前居室空气中甲醛污染现状，分析了居室空气中甲醛的来源及污染的成因。
The existing status of formaldehyde pollution in China was introduced and source of formaldehyde pollution was analysed.
介绍了我国目前居室空气中甲醛污染现状，分析了居室空气中甲醛的来源及污染的成因。
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