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吕氏英汉字典[简体]: [繁体]

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electronic valves and tubes

"electronic valves and tubes" Chinese translation ("electronic valves and tubes" in Chinese, "electronic valves and tubes" 中文翻译, "electronic valves and tubes"发音):
electronic valves and tubes 热离子、冷阴极或光阴极电子管、晶体管     [热离子、冷阴极或光阴极电子管、晶体管 ]



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