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阐述了活塞杆刮油圈采用填充聚四氟乙烯材料、分瓣式结构的优点,并介绍了一种单向填充聚四氟乙烯刮油圈的设;计方法。
The advantages of filling polytetrafluoroethylene (PTFE) material and split-valve structure on the piston rod scraping oil ring are expounded. A method of designing the unidirectional polytetrafluoroethylene oil scraping ring is also introduced.