名词
中文翻译：主干线路电路
同义词：
['main trunk line', "mainline circuit例句：1. The company's trunk line circuit is responsible for transmitting data between different locations.（公司的主干线路电路负责在不同地点之间传输数据。）"]
例句：
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1. The company's trunk line circuit is responsible for transmitting data between different locations.
公司的主干线路电路负责在不同地点之间传输数据。
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2. The engineer carefully inspected the trunk line circuit to ensure it was functioning properly.
工程师仔细检查了主干线路电路，以确保其正常工作。
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3. The new technology will improve the efficiency of the trunk line circuit.
新技术将提高主干线路电路的效率。