“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	combined spacecraft operation phase combined spicebush root combined spinal and epidural nerve block combined sprinkler and foam system combined sprinkler-foam system combined standard uncertainty combined starter combined station combined stress waves combined support combined technology of pond and wetland combined test combined three-electrode array combined tool combined toxicity Combined train combined transportation of open pit combined transport by air and land combined vaccine combined ventilation combined warping-sizing machine combined water combined water treatment combined weave combined weft-knitted structure

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。