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underground blast-hole drilling meaning in Chinese

地下坑道爆破孔钻进

Related Words

  1. underground fire
  2. underground parking
  3. underground palace
  4. underground burying
  5. underground propagation
  6. underground opening
  7. underground substation
  8. underground street
  9. underground music
  10. underground system
  11. underground blast
  12. underground blast hole drilling
  13. underground blasting
  14. underground blowout
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