名词
中文翻译：中继架
同义词：
['relay post', 'relaypoint']
例句：
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1. The relayrack is used to connect the two endsof the transmission line.
中继架用于连接输电线路的两端。
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2. The relayrack is a critical component in the electricalsystem.
中继架是电气系统中的关键部件。
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3. The relay rack was designed to improvethe reliability of the communication system.
中继架的设计旨在提高通信系统的可靠性。