emergency maintenance的用法和样例：
例句
- Be responsible for facility and utility routine maintenance, preventative maintenance, trouble shooting.
负责设施和共用系统的日常维护日常维护以及故障排除。 - A command-line environment that you can use to perform advanced troubleshooting and maintenance tasks, such as disabling a driver that you suspect is causing a startup problem.
一个命令行环境中，您可以使用它执行高级故障排除和维护任务，如禁用驱动程序，您怀疑是导致启动问题。
