PURPOSE: the cut slope of drainpipe and a kind of reinforcement drain electrode cut slope provide the collapsing for preventing side slope and tilt to and be covered with vegetation since effluent and leacgate can be discharged. ;CONSTITUTION: drainpipe, the cut slope of drainpipe include effluent, leachate drainpipe. Flow out drainpipe, including a first noumenon, one first long fibre, gauze. First main body has a curved section. There is first long fibre the inner circumferential an of closed loop portion to contact the first main body. Long fibre is made on the outer surface of gauze protection first part. Percolate drainpipe includes multiple S-shaped beam tubes road (152), non-woven fabrics (154), PE nets (156) and water cutoff member (158). Pipe of the non-woven fabrics around the tube bank of S-shaped. ;The 2012 of copyright KIPO submissions
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