system failures的用法和樣例：
例句
- The test results shows the cathodic protection system of the pipeline does dot function as expected.
文章分析了該陰極保護系統失效的原因，提出了改進(jìn)建議。 - It performs file recovery after power failure, system crash, virus infection or partition reformation.It also has unformatand unerase tools.
在掉電，系統失效，病毒傳染或者隔離物革新以后表演文件恢復。
