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凝壳铸造
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凝壳铸造
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[铸造]
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skull casting
凝壳铸造
在真空条件下,利用各种加热方式(如电弧、电子束、等离子束、电磁感应等),在强制水冷铜坩埚内熔化金属,优先在坩埚和金属熔体之间形成一层由金属熔体凝固而产生的固体凝壳层,后续的金属全部在该凝壳内部熔化,当完成熔炼后,随即翻转坩埚,使熔融金属通过浇嘴注入铸型中并凝固成铸件的铸造方法。
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congruence-simple algebra
congruence subgroup
congruence subgroup of level N
congruence subgroup problem
congruence theorem
congruence theory
congruence transformation
congruence variety
congruence with several variables
congruence with two terms
congruence zeta function
congruence zeta-function
congruence ζ function
congruence ζ-function
congruency
congruent
congruent angles
congruent circumcircles isoscelizer point
congruent expression
congruent figure of mirror image
congruent figures
congruent form
congruent formula
congruential method
congruential restriction
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