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primary pollutant

美英

un.原生污染物；初级污染物；一次污染物
网络首要污染物；一级污染物；初级性污染物

primary pollutant

primary pollutant

英-汉网络释义

primary pollutant

un.

1.原生污染物

2.初级污染物

3.一次污染物

1

Primary pollutant discharge has been brought under effective control , the environmental quality has been improved significantly .

主要污染物排放得到有效制约，生态环境质量明显改善。

2

This study suggested the primary pollutant which should be controlled was PM2. 5 to increase the visibility in Beijing.

研究的结果提示提高北京地区大气能见度，需要控制的首要污染物为 PM2 .

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