还真不一样，硬盘是铝壳，用粗牙；cd/dvd drive是铁皮壳，用细牙螺纹。

来源: 我胡说八道于 2012-10-09 10:37:36 [旧帖] [给我悄悄话] 本文已被阅读：次

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还真不一样， 硬盘是铝壳，用粗牙；cd/dvd drive是铁皮壳，用细牙螺纹。