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书包拉链坏了怎么修

更新时间: 2020-10-11 00:00:00     

修理方法:

1、先把拉链最上面的一颗大牙用钳子拨下来,两边都要拨;

2、再把拉链的锁头拉到最上面;

3、然后把双方牙齿兼并到一边;

4、再把拉链锁头套进去,有一定难度,因为金属拉链的径线比力粗,如果实在套不进,就把径线上剪一个小口,记的取,不要在装大牙的中间剪,应该靠最上面的中间剪,否则大牙将会装不上;

5、拉链锁头套进去后,把大牙装上即可。

关键词: 书包 拉链 怎么

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