coalgasn.煤气coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal temperature煤体温度coal exportation煤炭出口coalescent knots重叠结点coal mixed match燃煤掺配coal mine powder煤矿用炸药Coalescing Plate聚结板coal mine safety煤矿安全Coal genetic gas煤成气coal ash/slag燃煤灰渣coal derived oil煤液化油

1. He carried out trial runs using rockets stuffed with coal dust.
   他用填满煤粉的火箭式烟火装置来进行试验。
2. Experiments on coal reburning were carried out on an entrained flow reactor.
   在煤粉携带炉上进行再燃实验。