以上来源于: WordNet
Non destructive testing. Ultrasonic testing. Methods for specifying ultrasonic apparatus.
无损检验。超声波。超声波检验仪器的测定方法。
En 473 Non-Destructive Testing-Qualification And Certification Of NDT Personnel-General principles.
EN 473无损测试人员认证和证书——通用标准。
There are non-destructive testing equipment testing equipment 9, 18 physical and chemical test equipment.
检测设备有无损探伤设备9台,理化试验设备18台。
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