该机具有外置式辊轮，设计新颖，便于拆装维护。同时可根据客户需要增加钩骨辊轮，达到一机多用的功能。

The machine has the outer type roll wheel, the design is novel, easy tear open outfit maintenance. At the same time may be based on customer needs to increase the hook bone roll wheel, achieve multi-usage function