“传统定时自动灭烛器”工作原理。
[来源：https://t.co/73R4cH0sGQ] https://t.co/w8wuF4yizn https://video.twimg.com/ext_tw_video/1810456726715723776/pu/vid/avc1/360x640/M-fjMsVaq23wtKzq.mp4?tag=12
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有点聪明
