求翻译：淬火时将钢件加热到AC3和AC1点以上30-50摄氏度,经过适当保温后,然后迅速冷却而获得马氏体或贝氏体组织的热处理工艺.淬火时钢铁热处理的主要的工序,普通钢达不到人所想要的硬度和强度.但是钢经淬火后硬度和强度升高了,韧性降低比较脆.一般淬火和回火是相互配合,使钢得到不同的马氏体分解产物,具有良好的使用性能.淬火和回火常常是最终热处理,因而它对保证工件质量和成品非常重要,它是钢的重要强化手段,是随后回火时调整和改善性能的前提,是什么意思？

Quenching the steel is heated to above the AC3 and AC1 30-50 degrees Celsius, after insulation properly, and then quickly cooled to obtain martensite or bainite heat treatment process. Quenching heat treatment of the main processes of steel, ordinary steel people want to reach the hardness and stren

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Quenching Shi will steel pieces heating to AC3 and AC1 points above 30-50 degrees Celsius, after appropriate insulation Hou, then quickly cooling and get horse's body or bei's body organization of heat treatment technology. quenching Shi steel heat treatment of main of process, General steel up does

Quenching Shi will steel pieces heating to AC3 and AC1 points above 30-50 degrees Celsius, after appropriate insulation Hou, and quickly cooling and get horse's body or Bell's body organization of heat treatment technology. quenching Shi steel heat treatment of main of process, General steel up does