联合开采 meaning in English

unitized production

Co - deploiting technology from open - air to underground
露天转地下联合开采技术探讨
Production practice of combined mining in fully mechanized coal face and blasting mining face
综采面与炮采面联合开采的生产实践
Evaluation of the safety of combined mining of thin seams under water body in mined area
老空区水体下薄煤层联合开采的安全性评价
Research on ground pressure monitoring in combined open pit underground mining in tonglushan mine
铜绿山矿露天地下联合开采地压监测研究
On the open pit - underground combined mining scheme for the east wing orebody at xingqiao pyrite mine
新桥矿东翼矿体露天地下联合开采方案探讨

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