“concrete admixture”的概念、定义、翻译、参考文献-科学参考

单词	concrete admixture
释义	concrete admixture Encyclopedia 工学混凝土外加剂释 concrete admixture混凝土外加剂在混凝土拌制之前或拌制过程中加入的、用以改善新拌混凝土和（或）硬化混凝土性能且不能对人、生物、环境安全及混凝土耐久性造成有害影响的材料。掺量一般不大于水泥重量的5%。
随便看	practice course of teacher education practice field practice for food production and management Practice Manual of Archives Computer Management practice of education practice of human settlement by literati practice of human settlement by Yuwen kai practice of three-planning integration in Guangdong province practice theory practising exercises for tuina therapy Prado Museum in Madrid（Museo Nacional del Prado） Praecipua praefloration Praesepe Praetorius Prafulla Mohanti Prager crater pragma-dialectics pragmantic presupposition pragmaticalization pragmatic analysis pragmatic communication theory pragmatic development pragmatic evaluation pragmatic intelligence

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