vertical lift gate

例句：

1. 1.The vertical lift gate is a crucial part of the elevator system.
   垂直提升门是电梯系统的关键部分。
2. 2.The vertical lift gate was designed to provide easy access to the upper floors.
   垂直提升门被设计来方便上层楼的通行。
3. 3.The vertical lift gate has been installed in many buildings for safety reasons.
   垂直提升门在许多建筑中安装是为了安全原因。