addition， nondestructive
nondestructive observation
nondestructive monitoring
nondestructive metallography
nondestructive metallographic analysis
nondestructive mechanically dithered dust cleaning
Nondestructive measurment
nondestructive measuring
Nondestructive measurement
nondestructive material test
nondestructive inspections
nondestructive inspection technology
nondestructive inspection standard
NONDESTRUCTIVE INSPECTION
无损探伤
无损检测
非破坏性检验
非破坏性检测
无损检验(NDI)
非破坏性检查
非破坏检查
非破坏检验
非破坏检测
Nondestructive flaw detection