名词 coal tar:

1. a tar formed from distillation of bituminous coal; coal tar can be further distilled to give various aromatic compounds

coalpitn.煤坑；炭灶coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal seam subsided column高分辨率地震勘探coal tar topical solution煤焦油外用液coal electricity industry煤电工业coal accumulation centers聚煤中心coal fired utility boiler燃煤电站锅炉coal pillar under channel河床煤柱coal direct liquefication直接液化coal dry cleaning process煤干洗方法Coal planer plough system刨煤机成套设备coal bed methane prospect煤层气目标区