基本解釋[物理學(xué)]煙煤粉英漢例句雙語例句The paper reported the epidemiological results of 22-year follow-up study of workers exposed to dust at bituminous coal mines.本文報(bào)道了煙煤煤礦井下工人22年追蹤觀察的職業(yè)流行病學(xué)調(diào)查研究結(jié)果。bituminous coal dust更多例句專業(yè)釋義物理學(xué)煙煤粉