grid gate

例句：

1. 1. The grid gate isdesigned to keep the animals in their pens.
   网格门设计用来把动物关在围栏里。
2. 2. The engineer used a gridgate to reinforce the structure.
   工程师用一个网格门加固了结构。
3. 3. Thegrid gate was installed toprevent people from entering the restrictedarea.
   安装网格门是为了阻止人们进入限制区域。