fail-safe facility

例句：

1. 1. The new fire alarm system is a fail-safe facility that can automatically shut down the building in case of an emergency.
   新的火灾报警系统是一个安全设施，可以在紧急情况下自动关闭建筑物。
2. 2. The company has implemented several fail-safe facilities to ensure the safety of its employees.
   该公司已经实施了多项安全设施，以确保员工的安全。
3. 3. The engineer designed a fail-safe facility to prevent any potential hazards from causing damage.
   工程师设计了一个安全设施，以防止任何潜在的危险造成损坏。