fly ash concreteflaiæʃˈkɔnkri:t短语¹⁴⁴⁹⁷²⁺² 基本例句 粉煤灰混凝土 In this paper, a clusters model of fly ash concrete creep was found, applying the related theories of fly ash concrete, the maturity and rheology model. 本文通过应用粉煤灰混凝土、成熟度理论和流变学的相关理论，建立了粉煤灰混凝土徐变的簇模型。 boshuo