Coaltonn.科尔顿(在美国;西经 82º37' 北纬 39º06')
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal derived gas煤成气
coal-consuming供电煤耗
coal bed texture煤层结构
coal pillar size煤柱尺寸
coal caving pace放煤步距
coal-tar pitch煤焦油沥青
coal-base fuel煤基燃料
coal barren area无煤区
coalescence rate聚结率
coal controlling控煤作用