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德国高级机床，60岁老师傅一人制造整个工件，令人称赞太牛了
60岁老师傅加工零件，0误差精确毫米，展示什么叫做真正手艺
手工制作 40/52
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App06:2760岁老师傅加工零件，0误差精确毫米，展示什么叫做真正手艺
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