基本解释[物理學]菸煤粉英汉例句雙語例句The paper reported the epidemiological results of 22-year follow-up study of workers exposed to dust at bituminous coal mines.本文報道了菸煤煤鑛井下工人22年追蹤觀察的職業流行病學調查研究結果。bituminous coal dust更多例句专业释义物理學菸煤粉