Coalla科阿利亚coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal screening煤的筛选coal mine dust煤矿粉尘coal petrology煤岩学,煤岩石学coal reburning煤粉再燃coal ploughing刨煤机回采coal-tar gas煤焦油煤气Coal mining.采煤Coal Hill Parkcoalenterazine腔肠素coal-tar oil煤焦油

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。