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 barge jetty煤驳码头coal mill system制粉系统coal-mine fire煤矿火灾coal group co.煤业集团coal seam mining煤层开采coal paleobotany煤古植物学coal board slide煤滑板coal development煤炭开发coal tar phenols煤焦油苯酚coalminer's lung