短语词组短语conical cowl 锥形风帽wind cowl 风斗喇叭式风斗;风帽;通风罩COWL SLEEVES 垂荡褶袖protective cowl 保护性罩tapered cowl 锥形风帽vent cowl 通风斗reverser cowl 反推力装置整流罩Cowl vent 前围通风孔half cowl 防风罩 返回 cowl