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1. Theline-post insulator is anessential component of the electrical system.
线路支柱绝缘子是电力系统的重要组成部分。
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2. The line-post insulator plays a crucial rolein preventing lightning strikes.
线路支柱绝缘子在防止雷击中起着至关重要的作用。
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3.The line-post insulator mustbe installed correctly to ensure safe operation ofthe electrical equipment.
线路支柱绝缘子必须正确安装,以确保电气设备的安全可靠运行。