The U-shaped section of Yete@ drainage ditch can accelerate the water flow and enhance the self-cleaning ability. Through scientific hydraulic calculations, the finished linear gutter systemThe U-shaped section of Yete@ drainage ditch can accelerate the water flow and enhance the self-cleaning ability. Through scientific hydraulic calculations, the finished linear gutter systemThe U-shaped section of Yete@ drainage ditch can accelerate the water flow and enhance the self-cleaning ability. Through scientific hydraulic calculations, the finished linear gutter systemThe U-shaped section of Yete@ drainage ditch can accelerate the water flow and enhance the self-cleaning ability. Through scientific hydraulic calculations, the finished linear gutter systemThe U-shaped section of Yete@ drainage ditch can accelerate the water flow and enhance the self-cleaning ability. Through scientific hydraulic calculations, the finished linear gutter systemThe U-shaped section of Yete@ drainage ditch can accelerate the water flow and enhance the self-cleaning ability. Through scientific hydraulic calculations, the finished linear gutter system