弯头elbow
异径弯头 reducing elbow
带支座弯头 base elbow
长半径弯头 long radius elbow
短半径弯头 short radius elbow
长半径180°弯头 long radius 180°elbow
短半径180°弯头 Short radius180°elbow
带侧向口的弯头（右向或左向） side outlet elbow (right hand or left hand)
双支管弯头（ 形） double branch elbow
卫生级快装弯头Stainless quick elbow
不锈钢弯头Stainless elbow
螺纹弯头threaded elbow
快装弯头 quick elbow
90°弯头 90°Elbow
承插焊弯头 socket welded elbow
