vacuum melting的意思|示意

Microstructure and high temperature wear characteristics of a vacuum melting Ni - base alloy coating have been studied.

研究了一种真空熔结镍基合金涂层的组织结构及其干摩擦滑动磨损特性.

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The vacuum melting and argon protecting continuous unidirectional solidification technology was introduced meltingcontinuous unidirectional solidification.

阐述了真空熔炼、氢气保护下引法连续定向凝固工艺.

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