iridite
化学镀铬层 chemical chromate treatment film
结果表明,铬镀层的X射线衍射图中只有非晶态铬的宽化峰;
X-ray diffraction (XRD) and scanning electron microscope (SEM) were used to characterize the properties of the chromium deposits.
youdao
应用推荐
模块上移
模块下移
不移动