non destructive testing meaning in English

非破坏性试验
无损探伤法

Non destructive testing - ultrasonic testing of steel bars
无损检验.钢棒的超声波检验
Non destructive testing . penetrant testing . a type comparator block
无损检测.渗透检查. a型对比试块
Non destructive testing of welded joints - ultrasonic testing of welded joints
焊点无损检验.焊点超声检验
Non destructive testing . penetrant testing . part 1 : general principles
无损检验.渗透探伤法检验.第1部分:一般原则
Non destructive testing . acoustic emission . coupling of piezoelectric sensors
无损检验.声音发射.压电传感器的连接件

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