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 storage bin储煤槽仓coal-pile yard煤堆场coal mining type煤炭开采类型coal deformation煤体变形coal-tar resin煤焦油树脂coal-rich zone富煤带coal replacement煤炭置换coal-fly-ash粉煤灰coals for coking炼焦煤coal fired plant火电厂