名词
中文翻译：带电悬挂线
同义词：
['current-carrying wire', 'current-carrying conductor']
例句：
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1. The engineers designed a new catenary system to improve the efficiency of the power transmission.
工程师们设计了一种新的悬挂线系统，以提高电力传输的效率。
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2. The construction of this catenary bridge was completed ahead of schedule.
这座悬挂桥的建设提前完成了。
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3. The catenary structure is crucial for maintaining the stability of the power grid.
悬挂结构对于保持电网的稳定性至关重要。