NF P18-211*NF EN 1008:2003
混凝土搅拌用水 混凝土搅拌用水(包括混凝土加工过程中回收的水)的适用性的取样、试验、评定规范
Mixing water for concrete - Specification for sampling, testing and assessing the suitability of water, including water recovered from processes in the concrete industry, as mixing water for concrete