英语词汇“John Ambrose Fleming invents the vacuum tube”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	John Ambrose Fleming invents the vacuum tube
释义	John Ambrose Fleming invents the vacuum tube. 1904年的今天，约翰·安布鲁斯·弗莱明发明了真空管。
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