人们把火山灰与石灰的混合物加到集料中.This mixture of pozzolana and lime was then added to an aggregate.提出并验证了四种具有实用价值的集料级配组成.The paper has put forward and testified four utilizable aggregate gradation.碱是混凝土发生碱 - 集料 ( AAR ) 反应的重要因素之一.Alkal...

“集料”的英语可以翻译为：aggregate，aggregat ...