主要裂紋在焊錫和印刷板之間。裂縫太小，照下來也是看不到的。

來源: 史迷於 2013-11-13 22:59:03 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.