久操Av不卡,亚洲已满18点击进入在线看片,波多野结衣守望人妻理论,人人插人人鲁

Polyester filter screen, also known as sludge dewatering screen series and screw pressure screen, is mainly made of polyester PET. It has the characteristics of acid resistance, alkali resistance, high temperature resistance and wear resistance.
Most of the joints are made of stainless steel, and the pattern of mesh surface is "human" shape, which is easy to be cleaned after the sludge is pressed and filtered. It has the characteristics of fast water permeability and no mud seepage. The series products have different density and permeability, which can meet the needs of sludge dewatering and pressing in different industries.