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介绍了２种新型往复式注水泵，其泵头具有结构简单、检修方便、经济效益好的特点，在油田注水中它发挥了很好的作用；对出现问题的原因也进行了分析，并提出了改进措施。
Two kinds of new type reciprocating water injection pumps are introduced. The pump head has the advantages of simple structure, easy maintenance and good economic benefits. It has played a very good role in the water injection of oilfields. The causes of the problems have also been analyzed and put forward Improvements.