“exhaust technique of vacuum electronic device”的概念、定义、翻译、参考文献-科学参考

单词	exhaust technique of vacuum electronic device
释义	exhaust technique of vacuum electronic device Encyclopedia 工学真空电子器件排气释 exhaust technique of vacuum electronic device真空电子器件排气将总装好的真空电子器件内部气体抽出，使压强达到10-5帕以下的过程。
随便看	seminiferous scale seminiferous tubule semi-non-Euclidean space seminorm semi-normal seminormality semi normal operator semi-normal operator semi-normal ring semi-normal variety seminormed space seminose semiochemicals semiologie cinématographique semi on-line scheduling semi-on/off-line composite semiopaque semi-open interval semi open semi closed interval semi-open semi-closed interval semi open system semi-orbit semiorder semiordered semiordered set

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