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铅浴淬火
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铅浴淬火
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淬火
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lead bath quenching
铅浴淬火
将钢件加热到临界温度以上30~50℃完全奥氏体化后,保温一定时间,然后在熔融铅液介质中快速冷却,并保温一段时间,最后在空气中冷却的淬火工艺。
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redshift survey
Redshift天文馆软件
red shortness
Red soil
red soil utilization and amelioration
Red Sorghum
red sports tourism
Red Spot
Red Spot hollow
red spot needle blight
red sprite
Red Square and Red Palace at Haifeng
Red Star Design Award
Red Star Over China
Red Star(China)
red steppe
red straggler
Red Sun
red supergiant
red supergiant stars
red swamp crawfish culture
red swamp crayfish
Red-tailed gerbil
redtail shrimp
Red teachers' Federation of Hubei, Henan and Anhui
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