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钢制工件在加热和冷却过程中,由于相变引起比容变化,导致体积发生变化。根据这一基本原理,我们利用高频对工件经淬
Steel parts in the heating and cooling process, due to phase change caused by specific volume changes, resulting in volume changes. Based on this basic principle, we use the high frequency of quenching the workpiece