GB/Z 35717-2017水轮机、蓄能泵和水泵水轮机流量的测量超声传播时间法国家标准
英文:Discharge measurement for hydraulic turbines, storage pumps and pump-turbines—Ultrasonic transit-time method GB/Z 357...
英文:Discharge measurement for hydraulic turbines, storage pumps and pump-turbines—Ultrasonic transit-time method GB/Z 357...