一次污染物;初级污染物;原生污染物
The power plants are the primary entities that emit pollutant.
发电企业是我国污染物排放大户.
A pollutant Also known as the " primary pollutants. "
一次污染物又称 “ 原生污染物 ”.
The coal-fired power plants are the primary entities that emit pollutant.
火力发电 企业是我国污染物排放大户.
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