名词
中文翻译：触线
同义词：
['contact line', 'ground wire']
例句：
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1.The touchline is the line that connects the two poles of the transmission line.
触线是连接输电线两端的线路。
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2.The engineer used a special tool to touch the touchline and test the integrity of the cable.
工程师使用特殊的工具触摸触线，测试电缆的完整性。
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3. During an electrical storm, it's crucial to ensure that the touchline is properly grounded to prevent damage.
在电气风暴期间，确保触线正确接地以防止损坏至关重要。