梅花牌铜接头 梅花牌铜接头 接头, 喇叭口铜管接头, 铜套铜管接头, 尼龙管气接头, 汽机车煞车接头, E式简单接头 , Brass fitting, adaptor, sleeve connector for brass tube,flare connector, connector for nylon tube, Auto brake fitting
