Light aggregate concrete hollow block is an ideal material for exterior wall of building energy saving.

轻集料混凝土空心砌块是一种理想的建筑节能外墙砌体材料。

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Light aggregate concrete hollow block is an ideal material for exterior wall of building energy saving.

轻集料混凝土空心砌块是一种理想的建筑节能外墙砌体材料。

youdao