range gate pulse

例句：

1. 1. The range gate pulse is used tocontrol the flow of gases through theair filter.
   脉冲门用于控制气体通过空气过滤器的流量。
2. 2. The range gate pulse is acrucial component in the security system.
   脉冲门是安全系统中的一个关键组件。
3. 3. The range gatepulse was designed to prevent unauthorizedaccess to the building.
   脉冲门的设计旨在防止未经授权的人员进入大楼。