This detector is photoelectric smoke detector, works according to the principle of induction to the smoke particles.

本探测器为光电感烟探测器，是根据感应烟雾颗粒的原理来工作。

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This detector is photoelectric smoke detector, works according to the principle of induction to the smoke particles.

本探测器为光电感烟探测器，是根据感应烟雾颗粒的原理来工作。

youdao