短语
火灾探测报警系统
fire detection alarm system
;
fire detection and alarm system
图像型火灾探测报警
image fire detection and alarm
火灾探测和报警
[安全]
fire detection and alarm
火灾报警探测器
detector for fire alarm system
火灾探测和报警系统
Fire detection and alarm systems
离子式火灾报警探测器
fire alarm detector of ion type