名词
中文翻译：直流高压系统
同义词：
['direct current (dc) high voltage system']
例句：
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1.The DC high-voltage system is used to power the city's subway system.
直流高压系统被用来为城市的地铁系统供电。
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2. The DC high-voltage system is essential for maintaining the stability of the electrical grid.
直流高压系统对于维护电网的稳定性至关重要。
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3. The DC high-voltage system is a complex technology that requires specialized training for maintenance.
直流高压系统是一项复杂的技术，需要专门的培训来进行维护。