基本解释[物理学]烟煤粉英汉例句双语例句The paper reported the epidemiological results of 22-year follow-up study of workers exposed to dust at bituminous coal mines.本文报道了烟煤煤矿井下工人22年追踪观察的职业流行病学调查研究结果。专业释义物理学烟煤粉