A型脉冲反射式超声探伤仪通用技术条件
Commonly used specification for A-mode ultrasonic flaw detector using pulse echo technique
JJG (航天) 53-1988
A型脉冲反射式超声波探伤仪检定规程
JB/T 9214-2010
无损检测 A型脉冲反射式超声检测系统工作性能测试方法
Non-destructive testing--Test methods for evaluating performance characteristics of A-scan pulse-echo ultrasonic testing systems