名词
中文翻译:Unknown
同义词:
['oxide cathode tube', 'oxide cathode tube', 'oxide cathode tube']
例句:
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1.This vacuum tube is used in televisions and radios.
这个真空管用于电视机和收音机。
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2. The vacuum tube was a revolutionary invention that changed the way we communicate.
真空管是一个革命性的发明,改变了我们交流的方式。
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3.The vacuum tube was used to transmit signals over long distances.
真空管被用来在长距离上传输信号。