Coal Act(英国) 煤炭法
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coalmine safety management煤矿安全管理
coal seam exploration type煤层勘探类型
coal - fired power plant燃煤电厂
coal-fired chain furnace链条式燃煤炉
coal-bearing rock series含煤岩系
coalescence and separation聚结分离
coal-fired ceramic kilns燃煤陶瓷窑炉
coal-electricity linkage煤电联动
coal resources exploration煤炭资源勘探
coalminevideocommunication煤矿视频通信