這幾個可能是熱敏開關管，溫度高了，集電極和發射極就通了，然後繼電器也通了，風扇有電就轉起來了。

來源: 原上草2017 於 2023-03-22 07:20:08 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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