一级绝缘
Primary insulation
以上为机器翻译结果，长、整句建议使用 人工翻译 。
防护等级：IP54，电器一级绝缘。
Protection Degree:IP54, first class insulation.
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对实验数据进行了反应动力学分析，发现线缆绝缘材料的热氧化降解反应为一级反应。
Kinetic analysis of experiment data was made. It is found that thermal oxidative reaction is a first-order reaction under the experiment condition in this work.
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