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介绍了一种新近研制成功的对大型汽轮发电机定子线棒的小管径、低流速冷却水循环进行检测的智能化超声波流量计，对其系统工作原理，硬件电路，软件设计，抗干扰措施，实际应用进行了较详细的阐述。
A newly developed intelligent ultrasonic flowmeter for testing the small diameter and low velocity cooling water circulation of stator bar of a large turbogenerator is introduced. The system working principle, hardware circuit, software design and anti - interference measures are introduced , The actual application has been described in more detail.