短語(yǔ)詞組短語(yǔ)air supply opening 進(jìn)氣口air frame opening seal 飛機(jī)艙口密封膠Air conditioning opening 空調(diào)開放;空調(diào)開幕air handling opening 通風(fēng)孔rectangular air supply opening 矩形送風(fēng)口air outlet opening 排氣口air inlet opening 進(jìn)氣孔air r opening 風(fēng)口air exhaust opening 排氣口 返回 air opening