几名士兵在街道上混合水泥，用锄铲机举升给同袍们用作砂浆，一层层地累砌混凝土砌块。
A couple of soldiers mix cement on the street, lifting it up by a backhoe to their colleagues who use it as mortar, placing concrete block on top of concrete block.
Watershed Materials近期受到国家科学基金会743000美元的资助以制造不含水泥的混凝土砌块。
Watershed Materials recently received a $743,000 grant from the National Science Foundation to make concrete blocks without cement.
加气混凝土砌块产品也是最终取代免烧砖和水泥砖砌块制品的建筑用墙体材料的产品之最。
Aerocrete building block product to replace non-burning and cement brick building block for building wall body top of products of material of products finally too.
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