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.
在早期阶段，这一公司就证实了这一提议在科学上的可行性，并且仅用常规水泥用量的一半制成了这种砌块。
Already, in an earlier grant phase, the company demonstrated the scientific feasibility of its proposal and produced a masonry block made with only half the regular amount of cement.
近期主要完成的重大咨询项目有硅酸盐粉煤灰轻质砌块，湿磨粉煤灰无熟料水泥及其制品。
The recently completed great consultative projects arduded stlicate fly ash lightweight black wet grindign fly ash cemetn without plaster and its products.
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