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厂里买的新车床，为什么没有老车床耐用呢？咱们来对比一下
厂里的新车床用个十来年都不行了，老车床为什么能用三四十年呢？，这是为什么呢？是人为把质量做差了呢，现在科技比以前又发达了，在四五十年前，人们做的机床还那么耐用，现在的为什么质量又这么次呢？
车床技巧分享7/46
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