... extrusion machine use waste tyre rubber powder,speed 7m/min,water comeout from pipe wall side,low cost we studied and developed ... appear un-seen micro hole. when the water pass through the hose, the water seepage from the hole under the gravity . 2.parts ... , only part soil wet from water.5. no-damage soil structure,water come from hose wall very slow, soil absorb water itself from the micro hole ...