concreteadmixture相关论文
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In this paper, cationic polycarboxylate superplasticizer has been synthesized by using room temperature process with HPE......
分析了目前冬旗使用的砼外加剂,成份与掺量、最优经济成本等问题:指出了不同品种外加剂应用时不取共配方最优点的危害,供施工单位在冬......