名词
中文翻译：中心绝缘体
同义词：
['中心绝缘层，中心绝缘材料例句：1. The hub insulation is designed to reduce noise and improve efficiency.（中心绝缘体的设计旨在降低噪音并提高效率。）2. The insulation around the wire helps to prevent electrical short circuits.（围绕电线的绝缘有助于防止电气短路。）']
例句：
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1. The hub insulation is designed to reduce noise and improve efficiency.
中心绝缘体的设计旨在降低噪音并提高效率。
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2. The insulation around the wire helps to prevent electrical short circuits.
围绕电线的绝缘有助于防止电气短路。
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3. The insulation material used in this project is environmentally friendly and energy-efficient.
该项目使用的绝缘材料是环保且节能的。