Anthracosis is nothing more than accumulation of carbon pigment from breathing dirty air.Smokers have the most pronounced anthracosis.
呼吸污染空气导致的着并不多见,吸烟会引起更明显的着。
Anthracosis is nothing more than accumulation of carbon pigment from breathing dirty air.Smokers have the most pronounced anthracosis.
呼吸污染空气导致的着并不多见,吸烟会引起更明显的着。
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