fire resisting door

例句：

1. 1. The new security system includesa fire-resistant door for added protection.
   新的安全系统包括一个防火门，以增加保护。
2. 2. The factory has installed fire-resistant doors on all its exitsto prevent accidents.
   工厂在所有出口安装了防火门，以防止事故。
3. 3. The building'sdesign incorporates fire-resistant features toensure safety during emergencies.
   该建筑的设计包含了防火特性，以确保在紧急情况下的安全。