?火灾警报装置
... fire hazard 火警危险 fire warning device 火灾警报装置 fireproofing 防火设施 ...
?火警警报安拆
... fire water supply消防给火 fire warning device火警警报安拆 fire ventilator灭火排风机 ...
火警自动报警装置
墙上火警装置
Smith says that one test in the U.K. found 80% of time, people would surrender after seeing the warning arc, without an officer actually having to fire the device.
FORBES: CES: Please Tase Me, Bro
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