Coal Smoke 煤烟型 ; 煤烟
coal smoke meter 煤烟浓度计
coal smoke pollution [环境] 煤烟污染
pollution coal smoke 煤烟型污染
coal-smoke air pollution 我国燃煤污染
coal smoke fluorosis areas 煤烟型氟中毒
coal smoke-borne endemic fluorosis 燃煤性氟中毒
smoke coal 爆炸性烟煤
non smoke coal 无烟块煤
Coal-smoke air pollution is the main type of air pollution in China.
煤烟型大气污染是中国大气污染的主要类型。
Factories that burn coal still polluted the air with a lot of black smoke.
烧煤的工厂仍然产生大量的黑烟污染空气。
This can be really dangerous because there are harmful chemicals in the smoke from both wood and coal and they can seriously pollute the air in your home.
这是非常危险的，因为木材和煤炭产生的烟雾中都含有有害的化学物质，会严重污染家里的空气。
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