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The heat treatment of aluminum alloy castings is to choose a certain h...
Aluminum alloy heat treatment and quenching process
Ordinary pure copper is a copper with a mass fraction of not less than...
在選用不同的淬火介質(zhì)對(duì)淬火爐的影響是不一樣的,所得到的效果懸殊比較大。合理...
The refractory materials and insulation materials are used for the str...