短語詞組短語coal conversion industry 煤轉(zhuǎn)化產(chǎn)業(yè)Unit coal chemical industry 煤化工裝置coal tar industry 煤焦油工業(yè)coal mining industry basic 煤礦基層coal logistics industry 煤炭物流業(yè)coal geological industry 煤田地質(zhì)行業(yè)advanced coal chemical industry 新型煤化工Coal Mining Industry Company 煤礦工業(yè)公司;煤礦產(chǎn)業(yè)雄司;煤礦工業(yè)女司coal mining industry 煤炭行業(yè);煤炭開采業(yè);采煤工業(yè);采煤業(yè) 返回 coal industry