“vacuum metallurgy”的概念、定义、翻译、参考文献-科学参考

单词	vacuum metallurgy
释义	vacuum metallurgy [`vak·yǝm `med·ǝl´ǝr·jē] ^METALLURGY The melting, shaping, and treating of metals and alloys under reduced pressure that ranges from subatmospheric pressure to ultra-high vacuum.
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