lever shaft packing

例句：

1. 1. The new design of the lever shaftpacking has greatly improved the efficiency of themachine.
   新型的杠杆轴密封设计大大提高了机器的效率。
2. 2. The engineers carefully inspectedthe lever shaft packing to ensure its durabilityand reliability.
   工程师们仔细检查了杠杆轴密封件，以确保其耐用性和可靠性。
3. 3.The lever shaft packing is a crucial componentin the oil filter assembly, ensuring thatthe oil flows smoothly through the system.
   杠杆轴密封件是油滤组件中的关键部件，确保油流通过系统时顺畅无阻。