兑水 发表于 2009-9-16 19:16:40

ASTM C 311-2005 硅酸盐水泥混凝土中矿物掺合料用飞灰或天然...

C311-02 Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use as a Mineral Admixture in Portland-Cement Concrete
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