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尋常見的耐磨、易加工材料 |
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點(diǎn)評(píng)
當(dāng)時(shí)用的是哪兩種材料接觸?
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點(diǎn)評(píng)
Mn13試過了,效果一般。前兩天找模具廠要了一些模具鋼,做兩個(gè)試試,東西還沒到,不知道會(huì)不會(huì)好一點(diǎn)
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