名词
中文翻译：四线电话电路
同义词：
['four-wire telegraph circuit', 'four-wire telecommunications circuit']
例句：
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1. The newphone uses a four-wire telephone circuit to connect to the network.
这款新手机使用四线电话电路连接到网络。
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2.The engineer designed a four-wire telephone circuit to improve communication efficiency.
工程师设计了一个四线电话电路来提高通信效率。
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3.The four-wire telephone circuit was used in the construction of the new bridge.
四线电话电路被用于新桥梁的建设。