placard是什么意思

网络释义

用法例句

non-addressable fire alarm device

非寻址火灾报警装置

smoke detecting arrangement

烟管式火灾报警装置

firewire control unit

火灾报警缆线控制装置

very early warning smoke detection apparatus

极早期报警感烟火灾探测装置

Design Analysis of Fire Alarm System for Polyethylene Installation

聚乙烯装置的火灾报警系统设计浅析

Discussion on Feasibility of Installation of Fire Detecting and Alarming Devices in Families

家庭中安装火灾探测报警装置的可行性探讨

marine automatic fire alarm system

船用火警自动报警装置

DISCUSSION ON AUTOMATIC FIRE ALARM SYSTEM DESIGN FOR METALLURGICAL DEVICE

浅谈冶金装置火灾自动报警系统的设计

An automatic sensing device that activates an alarm or extinguisher in case of fire.

火灾自动警报或灭火器在火灾时激活警报或灭火器的自动测向装置

Rules of the Fire Offices' Committee for Automatic Fire Alarm Installation

英国火险协会自动火警警报装置规则

water motor alarm

水动机报警装置喷水灭火装置之一

class B fire alarm

b类火灾b>报警b>火灾b>报警b>系统

wired telegraph-type fire alarm box

有线电报式火灾报警箱

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

a warning device that is tripped off by fire or smoke.

使火或者烟失败的警报装置。

remote station fire alarm system

远程站火灾报警系统

pneumatic tube fire alarm system

气压管式火灾报警系统

privately operated automatic alarm system

民用自动火灾报警系统