... water pressure piping schema ,which can move,ceramics nozzle ,which is hard to be worn.Felt washing ... water pipe is made of stainless steel pipe with ceramics nozzle ,which is hard to be worn.Vacuum ... suction box:4sets ,one is beak pattern suction box with ... Unfold roll: φ230×2350×2900mm,it is covered with rubber, rubber shore hardness 93°.Exhaust hood: breathing ...