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是否需要不同材質(zhì)的沖頭? |
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點(diǎn)評(píng)
沖不銹板的沖頭可以搞定一切,所以只需要一組模具即可。您要分別為不銹板、碳鋼板和鋁板準(zhǔn)備專用模具,這樣就得三組模具。后者成本恐怕是更高吧?
成本不一樣啊,
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