论文部分内容阅读
拉链式塑料暗管是一种新型排水材料.塑料卷材通过成管器一边成管,一边由拖拉机牵引鼠道犁把管子拖入鼠道内,形成排水管路,衬砌鼠道洞体,防止鼠道坍陷,延长鼠道使用寿命,是改造治理低湿地的一种有效方
Zipper plastic tube is a new type of drainage material. Plastic tube material into the tube through the side of the tube, while pulling the tractor plow pipe dragged into the mouse, the formation of drainage pipes, lining rat hole cavity to prevent rat Road collapse, to extend the service life of rats is to transform the governance of low wetlands an effective party