名词
中文翻译：永久线
同义词：
['permanent', 'permanent connection']
例句：
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1. The company's new product line is designed to provide a long-lasting solution for its customers.
该公司的新产品线旨在为顾客提供持久的解决方案。
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2. The permaliner was installed in the ceiling to ensure that the wiring would not be damaged during future maintenance.
永久接线器被安装在天花板上，以确保在将来的维护过程中不会损坏电线。
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3. The engineer used a permaliner to connect the electrical wires together, making it easier to troubleshoot any issues lateron.
工程师使用一个永久接线器将电线连接在一起，使以后更容易排查任何问题。