Unfortunately, the development of high-speed railway started late in China, the fire smoke alarm sysUnfortunately, the development of high-speed railway started late in China, the fire smoke alarm sys
遗憾的是，我国的高速铁路发展起步晚，现行运营的动车组上装配的烟火报警系统完全依靠国外进口。
A smoke alarm Device with High SensitivityA smoke alarm Device with High Sensitivity
高灵敏度烟雾报警装置的研究
As an important competent for ensuring the train operation safety, high-performance fire smoke alarmAs an important competent for ensuring the train operation safety, high-performance fire smoke alarm
高性能的烟火报警系统作为保障动车行车安全的重要组成部分，可以大大减少火灾事故的发生，有效降低火灾造成的损失。
Is smoke alarm policy effective?Is smoke alarm policy effective?
感烟报警器政策是否有效？
This paper presents a new type of smoke alarm device based on measuring methods of amplitude and ratThis paper presents a new type of smoke alarm device based on measuring methods of amplitude and rat
提出了一种新型的烟雾报警装置，并详细介绍了装置的硬件电路原理和所采用的具有动态调整门限的幅值测量法和变化率测量法。
Over the loud buzzing of the smoke alarm, I asked them to identify the sound.Over the loud buzzing of the smoke alarm, I asked them to identify the sound.
对一边响起的烟雾警报器声音，我让他们说出那个声音是什么。
Use a smoke alarm.Use a smoke alarm.
使用防烟警报。
Note the smoke alarm above the grandfather clock.Note the smoke alarm above the grandfather clock.
注意：以上祖父时钟烟雾报警器。
Have you installed a smoke alarm in your office?Have you installed a smoke alarm in your office?
你的办公室安装烟雾警报器了吗？
Design, production, installation and System performance testing for smoke alarm system;Design, production, installation and System performance testing for smoke alarm system;
烟雾报警系统设计、安装、检修及功能试验。
