Anthracosis is nothing more than accumulation of carbon pigment from breathing dirty air.Smokers have the most pronounced anthracosis.
由于呼
污染空气导
末沉着
并不多
，
会引起更明显末沉着。
Anthracosis is nothing more than accumulation of carbon pigment from breathing dirty air.Smokers have the most pronounced anthracosis.
由于呼污染空气导末沉着并不多，会引起更明显末沉着。
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