本标准系铸钢件超声探伤的通用标准。
The national standard is the general standard of ultrasonic testing for steel castings.
在超声探伤中，经常遇到测试面较粗糙。
Test surfaces are usually rough in ultrasonic flaw detection.
介绍半球对接焊缝超声探伤的声程定位方法。
Ultrasonic flaw location in semisphere butt welds by sound path method is described.
介绍半球对接焊缝超声探伤的声程定位方法。
Ultrasonic flaw location in semisphere butt welds by sound path method is described.
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