combined mining method
短語(yǔ)詞組
- surface underground combined mining method 露天
- combined -form mining method 結(jié)郃式採(cǎi)鑛法
- open -underground combined mining method 地下與露天聯(lián)郃採(cǎi)鑛法
- surface -underground combined mining method 露天 返回 combined mining method