5831| 17
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鋼針經(jīng)常在800°c下工作,,選什么材質(zhì)才能不變形 |
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點(diǎn)評
4mm
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點(diǎn)評
有臺階
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點(diǎn)評
有沒有合適的模具鋼推薦下
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點(diǎn)評
鎢鋼可以,就是不能帶臺階
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點(diǎn)評
SKD11耐溫不到800
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