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 gaugue brick煤矸石砖
coal measure soil煤系土
coal hydrogention[机] 煤的氢化
coal mineral zone煤矿区
coal tar Ointment[医] 煤焦油软膏
coal based syngas煤制气
coal/gold dust煤/金粉
Coal sliding hole溜煤眼
coal corporations煤炭企业
coalfield outcrop煤田露头