光电感烟探测器 meaning in English
optical detector of fire smoke
optical smoke detector
psd:photoelectric smoke detector
Examples
- Obscuration - type photoelectric smoke detector
减光型光电感烟探测器 - Psd : photoelectric smoke detector
光电感烟探测器 - Study for backward scattering photoelectrical and smoke detector based on collimated beam
基于平行光束的后向散射光电感烟探测器的研究