ventilation duct
短語詞組
- ventilation E duct 通風管道
- ventilation ? duct 通風管道
- dry well ventilation exhaust duct 干井通風排氣道
- geosynclinal ventilation duct 地槽風道
- radial ventilation duct 徑向通風溝
- ventilation duct spacer 風道隔片
- without ventilation duct 無通風道 返回 ventilation duct