coalpitn.煤坑;炭灶
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal-controlled process控煤作用
coal accumulation pattern聚煤规律
coalrock dynamic disaster煤岩动力灾害
Coal floor water bursting煤层底板突水
coal gasification furnace煤气化炉
coal chemical engineering煤化工
Coalbed methane reservoir煤层气藏
coal fields of west Henan缸砖
coal-fired boiler plant燃煤锅炉房
coal liquifaction reacter煤业化反应器