polynaphthaene sulphonate type water-reducer 就传统萘系减水剂 high-range water-reducer 高效减水剂 aminoarylsulfonic acid water reducer 氨基芳基磺酸减水剂 ..
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Under the conditions of higher water-cement radio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time.
在较大水灰比，一定浓度FDN高效减水剂及密闭条件下，上层水泥浆体会长时间不凝结。
By the means of adding mineral admixture and high-range water reducer, this article used the manufactured sand as the fine aggregate to produce the high strength flowing manufactured sand concrete.
本文论述了通过掺加矿物掺合料、高效减水剂的技术途径，利用机制砂作为混凝土的细集料，在实验室配制出了大流动性的高强机制砂混凝土。
Under the conditions of higher water-cement ratio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time.
在较大水灰比，一定浓度FDN高效减水剂及密闭条件下，上层水泥浆体会长时间不凝结。
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