oil hardening [机] 油淬火 ; 油冷淬火 ; 油硬化 ; 油硬化法
oil hardening Steel 油淬钢 ; 淬焦钢 ; 油淬火钢
oil-hardening [机] 油淬火 ; 油硬级
oil hardening and tempering 油回火
Steel Hardening Oil 钢材淬火油
hardening oil 硬化油 ; 淬火油 ; 软化油
hardening of oil [有化] 油类硬化
Drop hardening: the process of dropping small cups and cones and all rollers directly from the drop hardening furnace into an oil bath which quenches them.
是指将小尺寸的外圈，内圈和所有滚动体直接从熔炉里抛到冷却油中进行淬火的工艺过程。
By measuring the cooling curve and quench severity of quenching oil at various flow rates, the relationship among the hardening capacity, quench severity and flow rate was established.
对淬火油在不同流速下的冷却曲线和淬火烈度进行了测量，建立了硬化能力、淬火烈度与介质流速三者之间的关系。
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