Five inorganic heat preservation material: foam cement, YT inorganic active wall insulation materials.

五无机保温材料：发泡水泥，YT无机活性墙体保温材料。

youdao

Five inorganic heat preservation material: foam cement, YT inorganic active wall insulation materials.

五无机保温材料：发泡水泥，YT无机活性墙体保温材料。

youdao