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downcast shaft meaning in English

进风井

Examples

  1. Non - arcing installation of piping system in downcast shaft of coal mines
    煤矿风井井筒中管路装备不动火安装

Related Words

  1. downcast
  2. downcast air
  3. encapsulate downcast
  4. downcast fault
  5. downcast side
  6. downcast tube
  7. downcast header
  8. downcast pipe
  9. downcast ventilator
  10. downcast ventilation
  11. downcast pipe
  12. downcast pipe (or downcomer)
  13. downcast side
  14. downcast tube
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