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manufacturing technique of vacuum electronic device
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manufacturing technique of vacuum electronic device
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工学
真空电子器件制造工艺
释
manufacturing technique of vacuum electronic device
真空电子器件制造
零件经处理、装配,制造成真空电子器件,并通过老炼、调整、测试而达到设计所规定的性能要求的过程和方法。
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