only quenching quenching point 唯一熄灭点
point quenching 点淬灭
single-point quenching and its uniqueness 单点熄灭及唯一性
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The principle of the vacuum washing technology is based on the boiling point of volatile liquid like quenching oil will decrease by decompression and by heating with water and other organic liquid.
该清洗机利用淬火油等挥发性液体减压后沸点下降，和油、水、水蒸气等一起加热，其沸点亦下降的原理进行清洗。
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