draught hole〔名词〕通风孔详细»
draught hole〔名词〕通风孔详细»
通风孔air hole;bleeder hole;vent;vent hole;ventage;ventilation hole详细»
通风孔air vent;airvent;aspirail;draught hole;vent hole详细»
通风孔bleeder hole;vent;venthole详细»
通风孔draft hole;drafthole;draught hole;draughthole;vent hole;ventilating opening;ventilating openings详细»
通风孔air hole;bleeder hole;draughthole;vent;ventilation hole;ventilation slot详细»
通风孔air holes;draught hole;venthole详细»
通风孔bleeder hole;tewel;vent;ventilation slot详细»