... hot-oil system 热油系统 hot-oil circulation 热油循环 hot-oil quenching 热油淬火 ...
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热处理淬火油 Quenching Oil
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渗碳时选取合适的温度，采用热油淬火，产品达到了图纸的技术要求。
When it was carburized in the appropriate temperature and was quenched in hot-oil, its properties can achieve the specification on the part drawings.
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