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利用闲余时间考了个证
source link: https://www.v2ex.com/t/456494
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奇思妙想 - @c9 - 我是程序员，最近考了个焊工证……我也不知道有什么用，过一半时间好像还要年审…就是小时候，没事就我爸干活或者做一些其他的东西，我在旁边看，自己学加我爸教学会的…突然就想起来了小时候家里还
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