名词
中文翻译：Unknown
同义词：
['有轨电车线路，有轨电车轨道，有轨电车电缆例句：1. The trolley wires are the key to the subway system.（有轨电车线是地铁系统的关键。）2. The engineer carefully inspected the trolley wires before starting the new project.（工程师在开始新项目前仔细检查了有轨电车线。）']
例句：
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1. The trolley wires are the key to the subway system.
有轨电车线是地铁系统的关键。
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2. The engineer carefully inspected the trolley wires before starting the new project.
工程师在开始新项目前仔细检查了有轨电车线。
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3.The trolley wires were damaged during the storm, which caused delays in the transportation.
暴风雨期间有轨电车线受损，导致交通延误。