Rock wool insulating felt is low thermal conductivity of a high-quality thermal insulating materials.

岩棉保温毡是导热系数低的一种优质的保温隔热材料。

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Rock wool insulating felt is low thermal conductivity of a high-quality thermal insulating materials.

岩棉保温毡是导热系数低的一种优质的保温隔热材料。

youdao