发布时间:2025-01-30 02:25:30
这是正常现象,机器里边有小风扇,就像电脑里的散热器一样,起到某些零件散热的作用,不用担心没事的
家里面装修四年了从去年开始墙面上开始出现了黑色的小点楼层是2楼求大神告知怎么回事
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