请输入查询内容
【英文缩写】 PIR
【英文全称】 Passive Infra Red
【中文解释】 电红外传感器
【缩写分类】 电子电工
【缩写简介】 “Passive Infra-Red” (PIR) detectors are used in burglar alarm systems,and to control the security lighting that many people have fitted outside their houses.
© CopyRight 2020 118查询网 Rights Reserved.