对氧化物保护膜的形态和组成进行了观察与表征；

Otherwise, SEM micrograph and XPS method are applied to observe and identify the protective membrane covering the surface.

youdao

对氧化物保护膜的形态和组成进行了观察与表征；

Otherwise, SEM micrograph and XPS method are applied to observe and identify the protective membrane covering the surface.

youdao