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

单词	technique for vacuum electronic device
释义	technique for vacuum electronic device Encyclopedia 工学真空电子器件制造工艺释 technique for vacuum electronic device真空电子器件工艺真空电子器件零件和部件制造、半成品性能检测和工作环境保证的综合技术。
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