... piston seal；柱塞密封 piston seal failure；柱塞密封失效 piston seal guide；柱塞密封圈导管 ...
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柱塞密封失效
Plunger seal failure
以上为机器翻译结果，长、整句建议使用 人工翻译 。
对大功率油田注水柱塞泵柱塞密封的失效机理进行了论述，分析了现有几种典型的密封结构。
In this paper, the failure mechanism of plunger seals for injection pump used in oil field is investigated and the features of existing reciprocating seal structures are evaluated.
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