smoke pipe fire alarm system
烟管式火警信号系统
Know where nearby telephones or fire alarm boxes are found.
了解一下附近的电话或火警信号在什么地方。
When the fire alarm rang we assembled outside the emergency exit.
当火警信号响起时，我们都聚集到紧急出口外。
A signal fire, especially one used to warn of an enemy's approach.
烽火信号火，尤指警告敌人接近的
A colored flare used as a warning signal for trucks and railroad trains.
信号火一种为卡车或火车作警告信号的有色火焰
Learn where the fire alarm is in the building.
了解一下大楼里的火警警报信号在哪里。
fire-alarm, electric, incorporating sound or visual signaling devices
电动火警报警器,装有音响或视觉信号装置
central fire alarm control unit
集中火灾报警控制器区域火灾报警控制器、火灾探测器等发来的报警信号
sound a note of alarm/danger/warning
发出警报[危险信号/警告信号]
By activating fire alarm signals such as break-glass, call point.
通过实施火灾报警信号，如击碎玻璃召集人员到场。
By this time the alarm of fire was so great, and so many engines playing.
但是这时火警的信号传布各处，那么多的水龙在那里营救。
rocket parachute flare signal
火箭降落伞火焰信号
any device or object placed to give people a warning,information,etc
（给人警告、信息等的）信号器或信号物
electro sound or visual signaling apparatus (e.g., bells, sirens, indicator panels, burglar and firealarms), other than those
电动音响或视觉信号装置（例如,铃、汽笛、指示器配电盘、防盗警报器和防火警报器）
be sounded as a signal or warning
发出信号或警告的声响
automatic alarm signal generator
自动报警信号发生器
autoalarm selector
自动报警信号选择器
Signals Division [Hong Kong Police Force]
信号课〔香港警务处〕