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△2BZ—7型手扶谷物播种机是北京市朝阳区高碑店公社综合修配厂和北京市农机研究所为适应本市间套作的农业技术要求而设计试制的。一九七五年三月十九日召开了鉴定会议。会议认为,这种播种机是适应间套作的农业技术要求而出现的新机型。它由手扶拖拉机直接牵引,机组短,转弯灵活,一人操作。同时,还具有地轮驱动升降、开沟器通轴挂接、双铰式牵引装置等特点。该机作业效率较高,操作轻便省力,是一种较好的机型。
△ 2BZ-7 handheld grain seeder is designed and manufactured by Beijing Gaobeidian Commune Complex Repair Factory and Beijing Agricultural Machinery Research Institute to meet the agricultural technical requirements of intercity in this city. An appraisal meeting was held on March 19, 1975. The meeting considered that this planter is a new type of machine that meets the requirements of agricultural technology for intercropping. It is directly traction by tractor, short crew, flexible turning, one person operation. At the same time, it also has the characteristics of driving and lifting of ground wheel, articulation of opener shaft and double hinged traction device. The aircraft operating efficiency is high, light and labor-saving operation, is a better model.