名词
中文翻译：绝缘体
同义词：
['insulator', 'insulating device']
例句：
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1.The post insulator is a crucial component of the electrical system.
绝缘体是电气系统的关键组成部分。
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2. The engineer designed the post insulator to withstand high voltages.
工程师设计了这种绝缘体来承受高压。
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3.The post insulator was installed to prevent short circuits in the power grid.
安装绝缘体是为了防止电网中的短路。