TB—1000型半复式脱粒机是潜江县机械厂制造的与我省东方红—20拖拉机、290型柴油机配套的中型稻麦两用脱粒机。1974年通过省级鉴定定型。该机脱粒滚筒采用刀齿和纹杆可以调换的结构,因此,稻麦脱粒均可以获得较高的性能指标,可以一次脱净难脱的晚粳 The TB-1000 semi-duplex threshing machine is a medium-sized rice-wheat dual-purpose thresher manufactured by the Qianjiang County Machinery Plant and matched with Dongfanghong-20 tractor and 290 diesel engine of our province. In 1974, it passed the provincial identification. The machine’s threshing drum adopts a structure in which the teeth and the pattern bar can be exchanged. Therefore, the rice and wheat threshing can obtain higher performance indexes and can be removed once and for all.