Author(s): Ruixuan Dong, Xiuqin Liu
Optical-based smoke alarms use light instead. They are slightly better at detecting the large smoke particles created by slow, smouldering fires. When such particles enter a chamber in the device, they scatter light from a small light source, which is then picked up by a photoelectric sensor.。51吃瓜对此有专业解读
Try unlimited accessOnly $1 for 4 weeks。搜狗输入法2026对此有专业解读
* @param left 左边界
Excellent for engaging with readers on multiple CMS platforms