火灾报警盒 fire alarm casing
打碎玻璃形火灾报警盒 break glass call point
电话报警盒 hooter box for telephone
报警信号盒 alarm signal case
主要介绍某光电产品的液压报警盒的设计原理和方法。
This paper presents a photoelectric products hydraulic alarm box design principles and methods.
该设备由弹簧拉力计和报警电路控制盒组成。
It consisted of two parts: springs and alarm circuit controller box.
内有呼叫器(兼报警器、收音机功能)一台，手电筒一个，5号电池8节，压缩饼干一盒，饮用水一袋(10小包)，湿毛巾一份。
It contains a loudspeaker (it has the functions of high volume, alarm and radio), a flashlight, 8 No. 5 batteries, a box of pilot biscuits, a bag of drinking water (10 pouches) and a wet towel.
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