successive failure

• 渐进性破坏

successive failure的用法和样例：

例句

1. On the other hand, using cast post is suggested to increase the fracture strength and prevent non-reparable failure under reduced bone condition.
   但是在齿槽骨高度丧失的情况下，不管使用哪一种根柱皆易造成不可修复性破坏，则建议以强度较高的铸造式根柱来复形。