ASTM C311-C 311M-24 硅酸盐水泥混凝土中矿物掺合料用飞灰或天然火山灰的取样和试验方法
ASTM C311-C 311M-2024 Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use as a Mineral Admixture in Portland-Cement Concrete 硅酸盐水泥混凝土中矿物掺合料用飞灰或天然火山 灰的取样和试验方法
2024-09-03
26
283.71KB
11 页