老机床焕发新生机：一线车间设备革新见闻录
宁波一家汽配厂用不到换新四成的成本，通过设备改造让老冲床效率提升三成以上，投资回收期不足十四个月。长三角中小制造企业正在渐进式设备改造中寻找务实路径，但前期体检和后续验证缺一不可。
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