你這個vent duct 怎麽拐這麽多彎？從未見過。都是直上直下。

來源: QinHwang 於 2025-01-02 21:14:40 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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你這個vent duct 怎麽拐這麽多彎？ 從未見過。都是直上直下。