减速器的轮为高强度渗碳钢，经渗碳淬火处理，传动噪音低。
The gear reducer for high strength steel carburizing carburizing hardening low noise transmission.
研究了合金渗碳钢锻件的普通正火与等温正火工艺参数对组织、性能的影响。
The microstructure and property of alloy carburizing steel forged parts after general normalizing and isothermal normalizing were studied.
非平衡气氛的碳势定义为：当渗碳反应在钢表面净产生的碳为零时碳钢表面的含碳量。
The non equilibrium carbon potential is defined as the carbon content of steel when the net carbon production rate at surface of steel vanishes.
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