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斜井开拓 meaning in Chinese

opening up by inclined shafts
openingupbyinclinedshafts

Related Words

  1. 斜井
  2. 斜井卷扬机
  3. 斜井箕斗
  4. 斜井快车
  5. 双轨斜井
  6. 斜井抽油机
  7. 斜井井口
  8. 暗斜井
  9. 钻斜井
  10. 斜井底
  11. 斜井掘进工祖
  12. 斜井掘进工作面
  13. 斜井开挖
  14. 斜井口把钩工
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