国产一级a毛一级a毛片视频,清纯援交456在线视频,岳的下面又大又黑又肥,色综合久久精品亚洲国产

特點

●連續生產，自動分級篩選；

●封閉結構，無粉塵溢散；

●噪音低，有自動清網機構；

●啟動迅速，停車極平穩；

●體積小，安裝簡單，操作和維護方便；

●篩網利用率高，不易堵眼，更換篩網容易。

Features

●Continuous production, automatic sieving according to different grades.

●Closed structure, no dust emission.

●Low noise, provided with automatic sieve cleaning structure.

●Quick starting and very stable stopping.

●Small volume, simple installation and convenient operation and maintenance.

●The sieve is featured by high utilization rate, no clogging and easy replacement.