发表在: 其他 在 加尔各答 | 发表: |
swing speedstile for pedestrians One person can only pass through a gate or barrier at a time, such as a Pedestrian Swing Speedstile. Its purpose is to control foot traffic and make sure people move through areas in a systematic way. These speedstiles frequently feature sensors or other systems that sense when someone is around and open the gate to let them past.
打印举报滥用
联系此广告客户