欧美黑人疯狂性受XXXXX喷水_欧美高清精品一区二区_久久免费精品国产72精品九九 _日本親子亂子倫XXXX50路_亚洲性无码AV中文字幕_岛国在线无码免费观_丰满少妇大力进入A片中文_欧美成人免费视频老司机_欧美午夜精品一区二区三区电影_波多野结衣av一本一道

Description

The upper part of this machine adopts a quick detachable handle to connect the entire machine into a whole. The upper cover is fully sealed, effectively preventing dust from flying due to vibration during material screening. The lower part of the screen body is equipped with a vibration motor, effectively ensuring a compact structure of the material. The lower part adopts spring vibration reduction, allowing the entire machine to work in a stable state. The bottom base adopts an adjustable type, which can adjust the inclination angle of the screen surface during screening, and achieve screening effect according to the characteristics of the material.