Objective To study the clinical features of pathological changes of the skin caused by arsenic poisoning of CarbonMonoxidepollution.
目的探讨燃煤污染型砷中毒皮肤病变临床特征。
2
Carbonmonoxidepollution has risen to 10 times above the maximum permitted levels, he says, in large part due to burning organic matter in dried-out peat bogs.
一氧化碳含量已经达到最大允许含量的十倍，他说，很大程度上是因为干涸的泥炭沼泽中有机物的燃烧。
3
Carbonmonoxide is also one of the chemicals that create ozone pollution and urban smog.