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observation hole meaning in English

观察孔

Examples

  1. Water leakage treatment of 2616 hydro observation hole
    古汉山矿2616号水文观测孔漏水治理
  2. Determining valid vertical space in observation hole of dike - dam
    大坝观测孔有效铅垂空间的确定

Related Words

  1. orbit observation
  2. ground observation
  3. meridian observation
  4. runway observation
  5. project observation
  6. direction observation
  7. observation place
  8. participant observation
  9. observation instrument
  10. systematic observation
  11. observation helicopter
  12. observation hip syndrome
  13. observation in groups
  14. observation index
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