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工业的发展,汽车尾气的污染日益严重,汽车清洁能源——液化石油气(LPG)的应用正在成为我国控制大气污染和调整能源结构的重要手段,城市液化石油气加气站的严重不足已成为制约我国大中城市汽车采用清洁能源的一个重要因素。但目前国内已建成的少数LPG加气站全部要用国外流行的地下罐潜液泵的工艺流程,潜液泵及其配套全部采用国外产品,价格昂贵、维修困难。
The development of industry and automobile exhaust pollution are becoming increasingly serious. The application of LPG, an automobile clean energy source, is becoming an important means of controlling air pollution and adjusting energy structure in our country. Serious shortage of liquefied petroleum gas stations in cities has become Restricting the use of clean energy in large and medium-sized cities in our country is an important factor. However, at present, all the LPG filling stations built in China have all adopted the process flow of underground tank submersible pumps that are popular abroad. The submersible pumps and their ancillary facilities all adopt foreign products, which are expensive and difficult to maintain.