visual testing meaning in English
肉眼检查
外观检验，目测
Examples
- Non - destructive testing - visual testing - equipment
无损检验.目视检验.设备 - Non - destructive testing - visual testing - equipment
无损检验.目视检验.设备 - Non - destructive testing - visual testing - general principles
无损试验.目视检验.一般原理 - Non - destructive testing - visual testing - general principles
无损检验.外观检验.一般原理 - Visual testing method of fusion - welded joints
熔焊接头的目测试验方法