... 普通混凝土砌块normal concrete block 轻骨料混凝土砌块light aggregate concrete block 硅酸盐混凝土砌块lime-silicate concrefe block ...
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light t aggregate concrete block 轻骨料混凝土砌块
light aggregate concrete small block 轻集料砼小砌块
light-weight aggregate concrete block 轻骨料混凝土小型空心砌块
light aggregate concrete hollow block 轻集料混凝土空心砌块
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