常見例句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.對(duì)于鋼渣，當(dāng)堿活性低，游離氧化鈣和方鎂石的含量低時(shí)，抑制堿集料反應(yīng)的效果愈好。 返回 alkali-aggregate