non-destructive detection testing 基本例句 无损检测 A new developed technique in nondestructive testing for residual stress of the ferromagnetic materials is discussed.讨论了一种检测铁磁材料内部应力的无损检测新技术。 Machine vision has already became one of important branches in nondestructive detection.摘要机器视觉已成为无损检测技术中的一个重要分支。