你圖片上有固定輪子的長螺絲，就搖晃長螺絲，上下左右搖晃，隻要有一點動靜，聲音就從軸承來的

來源: 潤濤閻於 2017-10-17 07:26:52 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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