By analyzing the characteristic of the ultrasonic hardness sensor, a nondestructive testing method that using the ultrasonic hardness sensor technology for pipe coat is put forword.
通过分析超声波硬度传感器的特点，提出采用超声波硬度传感器技术实现对管件镀层硬度进行现场无损测量的方法。
By analyzing the characteristic of the ultrasonic hardness sensor, a nondestructive testing method that using the ultrasonic hardness sensor technology for pipe coat is put forword.
通过分析超声波硬度传感器的特点，提出采用超声波硬度传感器技术实现对管件镀层硬度进行现场无损测量的方法。
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