port·land·ite英'pɔːtləndaɪt美'pɔːtləndaɪtBNC¹⁷³⁹⁹⁵⁺² 基本例句 n.羟钙石¹⁰⁰ The effect of preferred orientation of portlandite within interfacial zone between aggregate and cement paste on macro properties of concrete is significant. 水泥浆-集料过渡区内晶体的择优取向度对混凝土的宏观性能有很大影响。 cnki