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我们于1981年经多次试验研究,试制成功一种“高低速半自动抽油器”。经1年多的实际使用,性能良好,坚固耐用,维修方便。这种高低速半自动抽油器是利用大气压力和液体落差引导油液自动排油,轻盈流畅,省功省力。并有自动排油和手动排油两档,性能超过目前现常使用的两种手动抽油装置:手摇油泵和“油抽子”,而且加工比较简单,用料也少。体积小,重量轻,携带方便。高低速半自动抽油器(见图)的主体是由铁
In 1981, we conducted a number of experimental studies and successfully produced a “high-low-speed semi-automatic oil pumper.” After more than one year of actual use, it has good performance, durability and easy maintenance. This kind of high and low speed semi-automatic oil sucker uses the atmospheric pressure and liquid drop to guide the oil to drain automatically, which is light and smooth and saves money and labor. There are two types of manual oil extraction devices: automatic oil discharge and manual oil discharge. The performance exceeds the two types of manual oil pumping devices that are commonly used at present: hand-operated oil pumps and “oil pullers”, and the processing is relatively simple and the materials used are also small. Small size, light weight, easy to carry. The main body of high and low speed semi-automatic oil suckers (see figure) is made of iron