- core vent
- 辊: roller
- 芯: core
- 通气孔: air vent; airflow orifice
- 型芯通气孔: core hole; core vent
- 通气孔: air breather; air ent; air hole; air vent; airway; aperture; bleeder hole; blowhole; breather hole; breathing hole; burn out pipe; cutout; gas vent; pickup hole; pressure hole; pressure-vent hole; snore; spile; spiracle; vent breather; ventilating pit; ventilation hole; ventilation vent; ventilator; vent， air
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