霧霾的危害英語(yǔ)作文300字：air pollutant
霧霾來(lái)自各種自然和人為來(lái)源。天然來(lái)源可以包括風(fēng)沙、煙塵從森林大火。霧霾的危害英語(yǔ)作文300字希望可以提高大家寫(xiě)作水平。
霧霾的危害英語(yǔ)作文300字：air pollutant
this kind of air pollutant come from a variety of natural and manmade sources. natural sources can include windblown dust, and soot from wildfires. manmade sources can include motor vehicles, and industrial fuel burning, and manufacturing operations. the one of the main cause that touches off haze is manufacturing operations. many factories were over measure produced the smog that had over the standard and the smog seriously influence the air become air pollution.
這種空氣污染物來(lái)自各種自然和人為來(lái)源。天然來(lái)源可以包括風(fēng)沙、煙塵從森林大火。人為來(lái)源可以包括機(jī)動(dòng)車(chē)輛、工業(yè)燃料燃燒和制造業(yè)務(wù)。觸動(dòng)了煙霧的主要原因之一是制造業(yè)務(wù)。許多工廠(chǎng)測(cè)量產(chǎn)生的煙霧對(duì)標(biāo)準(zhǔn)和煙霧嚴(yán)重影響空氣成為空氣污染。
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