Thermal insulation materials and products is the effect of building energy saving a the important factors.

保温隔热材料与制品是影响建筑节能一个重要的影响因素。

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Thermal insulation materials and products is the effect of building energy saving a the important factors.

保温隔热材料与制品是影响建筑节能一个重要的影响因素。

youdao