1、The threshing machine in micro-blog before the rise in what?
打谷機在微博興起之前的年代在哪混？

2、The roller of the threshing machine is a disk chuck open type roller.
脫粒機構的滾筒為花盤開式滾筒。

3、This threshing machine can greatly raise the efficiency of labor.
粒機可以大大地提高勞動效率。