“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。
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