短語詞組短語producer gas coal tar 發(fā)生爐煤焦油;翻譯oil gas a tar 石油裂解焦油gas house tar 煤蒸餾副產(chǎn)品gas s tar 煤氣焦油gas works tar pitch 煤氣廠焦油gas works tar 煤氣焦油producer -gas coal tar 發(fā)生燈煤瀝青water -gas-tar creosote 水煤氣焦雜酚油 返回 gas tar