二次钙矾石的形成量受养护条件的影响.The amount of secondly ettringite is affected by the curing condition.毛矾石中含有天然形成的硫酸铝,可直接用水浸取.Aluminum sulfate formed naturally in alunogen could be extracted directly with water.探讨了补偿收缩混凝土中延迟钙 矾石 生成的可能性...
A small crowd attempted to pull down a statue.一小伙人试图推倒一尊塑像。I always hated that statue. It gave me the creeps.我一直都很讨厌那座雕像。它让我心里发毛。There are factors, however, that have cast doubt on the statue's authenticity.然而，有些因素让...