water-washing pervious cement concrete 露骨透水水泥混凝土
water cement ratio of concrete 混凝土水灰比
water-cement ratio of concrete 混凝土水灰比
concrete water-cement ratio 混凝土水灰比
Concrete is made of cement, sand, stones, and water.
混凝土是用水泥、沙、石子和水制成的。
It has high water reducing rate at low dosage whether the adaptability problem with cement and high slump loss are always the point in concrete production.
它具有掺量低、减水率高的优点，但与水泥适应性较差和坍落度损失大一直是混凝土生产上的难题。
Concrete is made of cement, sand, stone and water.
混凝土是由水泥，砂子，石头和水混合而成。
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