扩口管 meaning in English

flared tube

Fittings , flared tube , fluid connection
管配件扩口管件和流体连接器
Metallic tube connections for fluid power and general use - 37 flared fittings
流体动力装置及通用金属管连接件. 37扩口管接头
Road vehicles - hydraulic braking systems - double - flare pipes , tapped holes , male fittings and tube seats
道路车辆.液压制动系统.双扩口管,螺纹孔,外螺纹接头和管座