Efficient thermal insulation block is a new type of building materials with the function of load-bearing and thermal insulation.
某高效保温砌块是一种同时具有承重和保温功能的新型建筑材料。
Efficient thermal insulation block is a new type of building materials with the function of load-bearing and thermal insulation.
某高效保温砌块是一种同时具有承重和保温功能的新型建筑材料。
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