There are a few problems of air pollution by chemicals, lint, etc., but these are minor.
化学品、棉花等也造成一些空气污染问题,但这是次要的。
There are a few problems of air pollution by chemicals, lint, etc. , but these are minor.
化学品、棉花等也造成一些空气污染问题,但这是次要的。
COPD is mainly caused by smoking, but the condition also has been linked with secondhand smoke, air pollution and workplace dust and chemicals.
吸烟是引发慢性阻塞性肺疾病的主要原因,但它也与二手烟、空气污染以及工作场所的粉尘和化学物质有关。
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