QUENCHING: The process of rapidcooling from an elevated temperature. The product is placed in contact with liquids or gases, usually oil, water, or air.
淬火：指从某一高温快速冷却的过程。产品被放置于液体或气体中接触，通常是油，水或者空气。
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The noncrystalline structure is achieved by relatively rapidcooling below what is referred to as the glass transition temperature, around 1, 000 degrees Fahrenheit for the soda-lime variety.