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平硐开拓 meaning in English

opening up by adits
opening up by tunnels
openingupbyadits
openingupbytunnels

Related Words

  1. 硐
  2. 斜硐
  3. 平硐
  4. 川硐
  5. 躲避硐
  6. 坑硐
  7. 纸硐
  8. 硐室
  9. 探硐
  10. 硅硐
  11. 平硐开采
  12. 平硐开采矿山
  13. 平硐勘探
  14. 平硐口
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