短語詞組短語Infrared Photoelectric Smoke Detector 紅外光電感煙探測器scatter -type photoelectric smoke detector 散射型光電感煙探測器photoelectric smoke sensing fire detector 光電感煙火災探測器photoelectric obscuration -type smoke detector 減光型光電感煙探測器photoelectric spot -type smoke detector 光電光噗型煙霧檢測器 返回 photoelectric smoke detector