fire barrier

• 防火煤柱,防火墙

fire barrier的用法和样例：

例句

1. The corporate Fire Wall serves two purposes.
   防火墙起到两大作用。
2. Companies can also install firewalls,which form a barrier between the internal network and the public internet.
   公司也可以安装防火墙，这样可以在内部网和公共网络之间设置屏障。