高效减水剂是指在保持混凝土坍落度基本相同的条件下能大幅度减少拌和用水量的外加剂。
High efficiency water reducing agent is a kind of additive agent, which can reduce mixing water greatly while maintaining unchanged landslide.
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他用水拌和沙和泥土做成砖块。
He compounded water, sand and soil and formed bricks.
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