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我所为了解决高粱机械化收割问题,分别从1974年和1976年开始研制辽宁—4号和辽宁—2号高粱收割机,两种收割机1977年经过省级鉴定,已初步定型,定点生产。1978年在生产中试用。
In order to solve the problem of mechanized harvesting of sorghum, we started to develop Liaoning-4 and Liaoning-2 sorghum harvesters from 1974 and 1976, respectively. Both harvesters were appraised at the provincial level in 1977 and have been initially shaped and sentinelly produced. In 1978 in production trial.