at 368.8–510.4 ?C is attributed to the cleavage of the main polymer的翻译：什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

翻译结果1 翻译结果2 翻译结果3 翻译结果4 翻译结果5

在368.8-510.4?C是归因于主要聚合物裂解

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