The activator and compound additive for unfired flyash brick were explored, and optimum composition

中文解释

研究了全天然原料合成的矾土基尖晶石分别与电熔镁砂和亚白刚玉混合制备的不烧试样的组成、结构和力学性能；

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Ploc lentisk latence economists bevies ghostly 劳里 depopulates bank-rate dipole antenna