mance of a building material after ?re or at elevated temperatures.的翻译：mance of a building material after ?re or at elevated temperatures. 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

曼斯一个火灾后或在高温下的建材。

mance of a building material after ?re or at elevated temperatures.

mance of a building material after ? re or at elevated temperatures.

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mance of a building material after ?re or at elevated temperatures.