Some roofgutter exchange downspouts for baffle type designs break up the stream of drained water, so that it does not erode the ground below.
一些屋顶排水沟的挡板式设计打破了排水水流交换落水管，所以它不会削弱地下。
2
This invention changes its 200 years history of limitation to roofgutter and drainpipe, due to its easy bending, cutting and welding property.
改变200年以来利用锌金属易于弯折、剪焊等加工特性而限于作为制造屋面天沟及排水管之用。
3
One alternative that will also supplement your irrigation is by simply directing roofgutter flow into your planted box areas or other drainage-designed landscape plants.