名词
中文翻译：Unknown
同义词：
['private line telegraph', 'private line telex', 'private line teleprinter']
例句：
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1. The company's new private line teletypewriter is expected to improve efficiency by 50%.
该公司的新私人专线电报打字机预计将提高效率50%。
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2. The engineer used a private line teletypewriter to communicate with his colleagues in another city.
工程师使用私人专线电报打字机与另一个城市的同事们进行通信。
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3.The private line teletypewriter was the only way for them to keep in touch during the long-distance communication breakdown.
在长途通信中断期间，私人专线电报打字机是唯一保持联系的方式。