In addition, the vehicle does not wash for a long time, some of the sealant can not be timely care, agingfailure, so that the sealing performance.
另外，车辆长时间不洗，一些密封胶条得不到及时护理，也会老化失效，使密封性能。
2
In this paper, the agingfailure mechanism of HV ceramic capacitor under high frequency discharge and recharge is studied and a series improving methods are put forward.
本文对高压陶瓷电容器在较高频率充放电作用下的老化破坏机理做了较为深入的研究，并提出一定的改进措施。
3
The effect of temperature on the aging performance of epoxy bonded joint in water was researched, and its failure mechanism was analyzed by SEM and FTIR.