名词
中文翻译：手动电报服务
同义词：
['manual telegraph service', 'manual teletype service']
例句：
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1. Thecompany provides a manual telex service for its customers.
该公司为客户提供手动电报服务。
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2.Manual telex services are often used in remote areas where there is no electricity.
手动电报服务通常在没有电力的偏远地区使用。
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3. The manual telex service was introduced to improve communication between different departments.
手动电报服务被引入，以改善不同部门之间的通信。