产品说明 Product Introduction 三维排水网（又名三维土工排水板、隧道排放水板、排放水板）由立体结构的塑料网双面粘接渗水土工布组成，可替代传统的沙粒和砾石层，主要用于垃圾填埋场、路基和隧道内壁的排水。
Three-D drainage net (also called 3D geotechnical drainage board , tunne-drainag e board, drainage board ) which is consisted with plastic net and pe-rmeated geote xt ile both sides, can instead of traditional gravel sand. It is used for the draina ge of the rubbish filling site, roadbase and the inside of the tunnel.