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- manual fire alarm box 手摇火警器
- coded wired municipal fire alarm box 有线编码市政火灾报警盒
- wired telegraph-type fire alarm box 有线电报式火灾报警箱
- The proceedings were interrupted by the fire alarm. 会议的进程被火灾警报打断了。
- manual fire alarm call point 手动火灾报警点
- manual fire alarm button 火灾手动报警按钮
- The dimension of the manual fire call point. 手动火灾报警按钮的外形尺寸。
- When the fire alarm sounds, each man rushes to his post. 火警一响,每个人都奔向自己的岗位。
- manual fire alarm 手动火灾报警
- The people poured back into the building when they head the fire alarm. 一听到火警警报，人们就纷纷涌回到大楼里。
- manual fire alarm device 手动火灾报警装置
- manual fire alarm sounder 手动火灾警报器
- manual fire alarm system 手动火警系统,手摇式火警装置
- The smoke activated the fire alarm. 烟雾了触发了火警报警器。
- They heard the fire alarm and frightened. 他们听到了火警警报很害怕。
- extension fire alarm box 区域火灾报警箱
- Wisdom type fire alarm sensor on 35,000 spots. 智能型火警受信机35,000点。
- The proceedings were interruptedby the fire alarm. 会议的进程被火灾警报打断了。
- Fire alarm and detection devices. 火警和检测方法。
