标准查询 标准查询焊缝无损探伤.超声波探伤法.飞行时间衍射法(TOFD)的使用.
Non-destructive testing of welds - Ultrasonic testing - Use of time-of-flight diffraction technique (TOFD).
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标准查询Non-destructive testing of welds - Ultrasonic testing - Use of time-of-flight diffraction technique (TOFD).
