大家在查： Coal washing wastewater Coal Working Face coal-bearing strata coal-forming material coarse adjustment coal resources coal petrology coal measures coal measure strata coal forming period

coal transportation

coal transportation

煤炭_翻译 ... 煤炭产业： Coal Industry 煤炭运输： Coal transportation 煤炭城市： Coal city ...

煤炭调查,coal... ... ) coal exploration 煤炭勘查 ) coal transportation 煤炭调运 ) coal resource exploration 煤炭资源勘查 ...

翻译... ... 运输行 forward agent;forwarding agent;goods agent 煤运输 n. coal transportation 逆运输 n. traverse surveying ...

煤运,coal... ... ) coal transportation 煤运 ) coal handling 运煤，输煤，供煤 ...

输煤,coal... ... ) coal handling 输煤 ) coal transportation 输煤 ) coal transportation and power transmission 输煤输电 ...

运煤车,coal... ... ) storage battery coal_carrying car 蓄电池式运煤车 ) coal transportation 运煤 ...