The threshing machine in micro-blog before the rise in what?

打谷机在微博兴起之前的年代在哪混？

This threshing machine can greatly raise the efficiency of labor.

粒机可以大大地提高劳动效率。

They are separating the grains from wheat with a threshing machine.

他们正在用打谷机给小麦脱粒。

The roller of the threshing machine is a disk chuck open type roller.

脱粒机构的滚筒为花盘开式滚筒。

The motorized threshing machine has been important harvesting machinery in agricultural production in Heilongjiang Province.

机动脱粒机已成为黑龙江省农业生产中重要的收获机械。