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GB/T 35717-2024_Chinese: Discharge measurement for hydraulic turbines, storage pumps and pump-turbines - Ultrasonic transit-time method (Chinese: 水轮机、蓄能泵和水泵水轮机流量的测量 超声传播时间法) Note/Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working-hours typically, ASAP English versions: GB/T 35717-2024
