回複：如果螺絲與螺母的材料有差別,並且螺母熱膨脹係數大於螺絲的膨脹係數

來源: snapon 於 2012-03-28 10:47:28 [舊帖] [給我悄悄話] 本文已被閱讀：次

看來你沒有用過噴燈吧

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