5680| 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(píng)
4mm
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點(diǎn)評(píng)
有臺(tái)階
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點(diǎn)評(píng)
有沒(méi)有合適的模具鋼推薦下
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點(diǎn)評(píng)
鎢鋼可以,,就是不能帶臺(tái)階
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點(diǎn)評(píng)
SKD11耐溫不到800
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