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: newpeople 於 2012-03-27 16:59:10 [] [舊帖] [給我悄悄話] 閱讀數 : (51 bytes)
回答: 螺絲帽鏽死噴燈最管用 由 主教 於 2012-03-27 06:53:35

有噴燈或許管用;不然金屬受熱軟化,更不容易擰開

所有跟帖： 

• 螺紋會被破壞 -newpeople- ♀ 給 newpeople 發送悄悄話 (0 bytes) () 03/27/2012 postreply 17:01:58

• 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 -snapon- ♂ 給 snapon 發送悄悄話 (27 bytes) () 03/28/2012 postreply 10:47:28

• why do u think so? -newpeople- ♀ 給 newpeople 發送悄悄話 (36 bytes) () 03/28/2012 postreply 16:41:14

• some place, u just can't use it, like place close to gas tank or -newpeople- ♀ 給 newpeople 發送悄悄話 (0 bytes) () 03/28/2012 postreply 16:46:18

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