“skull casting”的概念、定义、翻译、参考文献-科学参考

单词	skull casting
释义	skull casting Encyclopedia 工学[铸造]释 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。
随便看	railwayretaining wall struction railway roadbed problems and remedial measures railway rolling stock railway rolling stock maintenance and repair railway sand prevention railway section block railway shunting hump railway signal railway signal indication railway signaling railway signaling power supply equipment railway signaling reliability railway signaling vital relay railway sound barrier railways passenger car equipment railway station railway station and terminal railway structural deformation survey railway subgrade engineering railway subgrade maintenance railway subgrade non-destructive detection railway switch transition equipment railway tank car railway tanker railway technical station

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