水落管弯头的英文

• elbowed leader
• gooseneck

• 弯头:    angle head; elbow; elbow pip ...
• 水落管:    down pipe; down spout; down-pipe, downspout; fall pipe; fall-pipe; gullet; leader pipe; rainspout; rainwater pipe; water spout; waterspout
• 管弯头:    bend piece; pipe bend; tangent length of pipe
• 暴雨水落管:    storm down pipe
• 方水落管:    square downpipe