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excavation without timbering meaning in Chinese

无支撑开挖

Related Words

  1. back timbering
  2. atrophic excavation
  3. shaft excavation
  4. tunnel excavation
  5. bulk excavation
  6. belled excavation
  7. toe excavation
  8. unclassified excavation
  9. borrow excavation
  10. collar excavation
  11. excavation waste dump
  12. excavation with sheet piling
  13. excavation work
  14. excavation works
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