基本解释碱集料同根派生 alkali-aggregate相关词英汉例句As to the steel slag, the effect of reducing alkali aggregate reaction is better when alkali reactivity is low and the content of free calcium oxide and periclase is low.对于钢渣，当碱活性低，游离氧化钙和方镁石的含量低时，抑制碱集料反应的效果愈好。alkali-aggregate更多例句