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heading ventilation meaning in English

掘进工作面的通风
掘进通风
巷道面通风

Related Words

  1. ventilation equation
  2. ventilation control
  3. synchronized ventilation
  4. ventilation coefficient
  5. crankcase ventilation
  6. ventilation mechanism
  7. self ventilation
  8. ventilation grill
  9. ventilation pressure
  10. ventilation cowl
  11. heading upward plan position indicator
  12. heading upward presentation
  13. heading wall
  14. heading wire
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