您要查找的是不是：
- spot type smoke detector 点型感烟探测器
- photo-electric type smoke detector 光电式感烟探测器
- combustion products type smoke detector 燃烧生成物型感烟探测器
- The application of independent type smoke detector should arouse high attention 独立式感烟火灾探测器的使用应引起重视
- duct type smoke detector 通风管式感烟探测器
- laser line type smoke detector 激光线型感烟探测器
- A smoke detector detect the presence of smoke. 烟尘探测器可探测是否存在烟雾。
- A smoke detector detects the presence of smoke . 烟尘探测器可探测是否存在烟雾。
- A smoke detector detects the presence of smoke. 烟尘探测器可探测是否存在烟雾。
- "It's the smoke detector," they replied in unison. "是烟雾探测器，"他们异口同声地说。
- Resettable four-wire smoke detector power @ 500 mA. （复式四线烟雾探测器电源500毫安。）
- Smoke detector is fit in all the rooms. 烟尘探测器可探测是否存在烟雾。
- linear beam type smoke detector 光束线型感烟探测器
- reflected type smoke detector 反射光感烟探测器
- area type smoke detector 区域式感烟探测器
- capacitor type smoke detector 电容式感烟探测器
- The design of simulative spot type photoelectrical smoke fire detector 模拟量点型光电感烟探测器的设计
- Point type smoke fire detector meets the requirements of GB4715-1993. The test itemsinclude Electrostatic discharge, Radiated electromagnetic fields, and Electrical transient bursts. 点型感烟火灾探测器应符合GB4715-1993标准的要求。检测项目有：静电放电；辐射电磁场；电快速瞬变脉冲群。
- Smoke detectors are fitted in all the rooms. 所有的房间都装有烟尘警器。
- In terms of loudness, bats emit calls as low as 50 dB and as high as 120 dB, which is louder than a smoke detector 10 centimeters from your ear. 关于音量，蝙蝠发出的叫声低至50分贝，高达120分贝，这比距离你耳朵10厘米处的烟雾探测器所发出的声音还要响。
