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文章概括地介绍了苏联和美国在压裂泵外加砂装置方面的研制概况,分析了美国泵外加砂装置的几种方案及其特点。文章又对国外目前研制的静液传动长冲程低冲次高压压裂泵作了简单介绍。
This paper introduces the general situation of the Soviet Union and the United States in the field of fracturing pumps with external sanding equipment and analyzes several schemes and characteristics of the external sanding equipment in the United States. The article also briefly introduces the hydrostatic long-stroke low-pressure high-pressure fracturing pump developed abroad.