safety installation

例句：

1. 1. The new safety installation has greatly improved the workplace safety.
   新的安全装置大大提高了工作场所的安全性。
2. 2. The company installed a safety installation in all its factories to ensure worker safety.
   公司在所有工厂安装了安全装置，以确保工人的安全。
3. 3. The engineer designed a safety installation for the construction site to prevent accidents.
   工程师为施工现场设计了一个安全装置，以防止事故的发生。