在线无码国产观看播放网址,岛国精品一区免费视频在线观看,国产女人乱人伦精品一区二区,无码专区丰满人妻斩六十路,国产亚洲一区二区在线观看,国产午夜精品一区理论片,妇女性内射冈站HDWWW000,在线中文字幕亚洲日韩2020,国语自产少妇精品视频蜜桃,亚洲精品亚洲人成在线下载

center distance: 120mm、220mm

Twin screw kneader is used for producing high strength paper with various raw materials such as straw, bulrush , cotton stem , popular and haulm. The equipment combines bleaching, washing and pulping functions. Simplifies the pulping process and can accomplish low energy consumption and cleanly pulping.