Tester is testing, testing of materials (metals, non-metallic materials), spare parts, components and structural strength, stiffness, hardness, elasticity, plasticity, toughness, ductility and surface and internal defects in the equipment, systems or devices.
正在翻譯中..
![](//zhcntimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)