有喷灯或许管用;不然金属受热软化,更不容易拧开
如果螺丝与螺母的材料有差别,并且螺母热膨胀系数大于螺丝的膨胀系数
所有跟帖:
• 螺纹会被破坏 -newpeople- ♀ (0 bytes) () 03/27/2012 postreply 17:01:58
• 回复:如果螺丝与螺母的材料有差别,并且螺母热膨胀系数大于螺丝的膨胀系数 -snapon- ♂ (27 bytes) () 03/28/2012 postreply 10:47:28
• why do u think so? -newpeople- ♀ (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- ♀ (0 bytes) () 03/28/2012 postreply 16:46:18