This Fly Ash is used as cement mortar, concrete mixture and concrete reducing water agent.
本文就其用于配制砌筑水泥，作混凝土掺和料和混凝土减水剂进行介绍。
2
Several soldiers mix cement on the street, lifting it up to their colleagues who use it as mortar, placing a concrete block on top of concrete block.
几名士兵在街道上混合水泥，举给同事们当砂浆用，累砌混凝土块。
3
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.