NF X10-131-1974 Measurement of water flow in closed conduits tracer methods part i general 《密封管道中水流量的测定 示踪法 第1部分：综合》.pdf

相关资源

TS 2353-1976 Measurement of Water Flow In Closed Conduits-Tracer Methods Part I General《封闭管道中水流量的测量 示踪法 第1部分：总则》.pdf

NF X10-141-1982 Measurement of gas flow in conduits Tracer methods Part 1 general 《密封管道中气体流量的测定 示踪法 第1部分：概述》.pdf

ISO 2975-1-1974 Measurement of water flow in closed conduits Tracer methods Part I General《封闭管道中水流量的测量 示踪法 第1部分 总则》.pdf

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