三层研磨滚筒机，可以放36个滚筒。

The three-tier Grinding drum machine, you can take 36 drum.

youdao

四层研磨滚筒机，可以放42个滚筒。

Grinding four-storey drum machine, you can take 42 drum.

youdao

四层研磨滚筒机，可以放42个滚筒。

Grinding four-storey drum machine, you can take 42 drum.

youdao