我问了grok说是有可能，油脂热气往上走，附着在管壁上会吸附灰尘等等。谢谢你这个图哈，很有用

来源: Firefly2023 于 2025-05-02 12:27:00 [旧帖] [给我悄悄话] 本文已被阅读：次

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