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What are the differences betwe...
2020-05-27The heat treatment of aluminum alloy castings is to choose a certain h...
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Aluminum alloy heat treatment ...
2020-05-27Aluminum alloy heat treatment and quenching process
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Copper knowledge: pure copper ...
2020-05-27Ordinary pure copper is a copper with a mass fraction of not less than...
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Talk about the influence of di...
2020-05-27在選用不同的淬火介質對淬火爐的影響是不一樣的，所得到的效果懸殊比較大。合理...
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How is the material selected i...
2020-05-27The refractory materials and insulation materials are used for the str...
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