【摘要】 从密封原理出发，通过与“Ｕ”形橡胶密封的对比试验，探讨影响填充聚四氟乙烯组合密封工作能力的因素，并指出其适应的工作环境和提高其工作能力的途径。更多还原

【Abstract】 This lecture is based on the princple of sealing a ccording to a comparative test, that is,to compare the composed PTFE with U-shaped seal ring, the influence will be discussed in detail. Farther,its accommodation will be tried to find out and the approaches for improving its efficiency will be got.更多还原