“混凝土外加剂”的概念、定义、翻译、参考文献-科学参考

单词	混凝土外加剂
释义	混凝土外加剂 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	two-stage estimator two-stage grinding- classification circuit two-stage growth model two-stage least squares two-stage least squares method two-stage method two-stage problem two-stage programming two stage program with recourse two-stage sampling two-stage sampling inspection two stages dewatering process Two Stage Sisters two-stage stochastic programming two stage system two state system two-state system two-step acceleration two-step extraction procedure two-step flow of communication theory two-step growth method Two-Step Interactive Activation Theory two step mining two-step normalizing two steps heating

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。