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中国民航徐州设备修造厂经过四年的研究,于1984年研制成GP-81型农业航空喷液设备。该设备与老式常规喷液设备相比较,具有下述特点: 1.在输液泵系统中设有一个“回抽”装置,当关闭药门之后,它能在瞬间将留存在输液管道中的药液(约有24公斤),几乎都抽回到药箱中去,同时使管道内产生负压;另在
China Civil Aviation Xuzhou equipment repair plant after four years of research, developed in 1984 GP-81 agricultural aviation jetting equipment. The device has the following characteristics compared with the conventional conventional liquid ejecting device: 1. In the infusion pump system, there is a “pump-back” device, which can instantly store the medicine remaining in the infusion tube when the medicine gate is closed Liquid (about 24 kg), almost all back to the chest to the tank, while the pipeline to produce negative pressure; the other