trunnion bearing seal

例句：

1. 1. The new design of the tunnie bearing seal greatly improves the efficiency of the machine.
   新型转轴轴承密封极大地提高了机器的效率。
2. 2.The tunnie bearing seal is a critical component in the operation of the machinery.
   转轴轴承密封是机械操作中的关键部件。
3. 3.The tunnie bearing seal was replaced after several years of use, as it had become worn and leaky.
   使用几年后，转轴轴承密封被替换了，因为它磨损并泄漏了。