深部开采
- n.deep mining
- 网络deep mine; mining in deep-lying
深部开采深部开采
deep mining
深部神经系的英语 deep nervous system... ... ) Deep roadway: 深部巷道 ) deep mining: 深部开采 ) deep pollution: 深部污染 ...
deep mine
深部开采,deep... ... ) deep mine 深部开采 ) mining in deep-lying 深部开采 ...
mining in deep-lying
深部开采,deep... ... ) deep mine 深部开采 ) mining in deep-lying 深部开采 ) deep strip pillar mining 深部条带开采 ...