Tributary unit alarm indication signal 支路单元告警指示信号
alarm unit 报警单元 ; 警报装置 ; 报警装置 ; 报警器
Fire alarm control unit [安全] 火灾报警控制器
fire alarm breakglass unit 易碎玻璃警报器 ; 火警警报玻璃箱
Central fire alarm control unit [安全] 集中火灾报警控制器 ; 躼 ; 集中型火灾报警控制器
AU-AISAdministrative Unit Alarm Indication SignalAU 告警指示信号
zone fire alarm control unit 躼
area alarm unit 区域报警装置
central alarm unit 集中报警装置
Power and alarm unit 电源及告警单元
Sure enough, just after 8 a.m. on Thursday, the alarm went off for a unit of the Army's 101st Airborne Division, based at the small outpost.
果然,周四上午8点刚过,一座美军第101空降师官兵驻守的哨所里,警报响了。
For the use of fire alarm system, fire detector alarm unit testing and installation of construction engineering units during the installation and acceptance of the tools is necessary.
为各使用火灾报警系统的单位测试火灾探测器报警功能及安装施工工程单位安装验收过程中必备之工具。
Article 5 Any unit and individual shall have the obligation of keeping fire control safety, protecting fire control facilities, preventing fire disaster and reporting fire alarm.
第五条任何单位、个人都有维护消防安全、保护消防设施、预防火灾、报告火警的义务。
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