“portland cement”的概念、定义、翻译、参考文献-科学参考

单词	portland cement
释义	portland cement Encyclopedia 工学水泥释 portland cement硅酸盐水泥以硅酸盐为主要成分的水泥。工学胶凝材料释 portland cement硅酸盐水泥以适当成分的硅酸盐水泥熟料，加入适量石膏，磨细制成的具有中等水化热的水硬性胶凝材料。
随便看	political indoctrination political information political institution political integration political intelligence political journal political knowledge political languages Political Liberalism Political Life political management political map political marketing Political Memory political meritocracy political model political modernization political motives political movements political myth political norm Political Novels political order Political Order in Changing Societies political organ

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。