回複：要判別噪聲源--- I only can say the fun itself make big noise , so I

來源: haveniceday-2 於 2013-06-02 17:48:28 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (538 bytes)
回答: 要判別噪聲源是機械或是風聲？ 由 事後諸葛 於 2013-06-02 13:16:19

to replace it first, but i can't say other about it is 機械聲 or風聲 which cause these noise.

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