1987年山西省原平县下默都村农民贾恒玄2亩甜菜采种田全部用丰收—50小型脱粒机(山西太谷农机厂生产)脱粒,3人割、运、脱粒、晾晒只用了半天。即省工又省时,避免了种子着雨、发芽、霉烂。该机的使用方法是适当调整电机及滚筒槽轮,使转 1987 Yuanping County, Shanxi Province, under the village of Mok constant Xuan 2 acres of sugar beet farming with harvest all -50 small threshing machine (Shanxi Taigu Agricultural Machinery Factory) threshing, 3 people cut, transport, threshing, drying only half a day. That is, labor-saving and time-saving, to avoid the seeds of rain, germination, rotten. The use of the machine is to properly adjust the motor and drum sheave, so turn