X射线荧光光光谱
X-ray fluorescence spectrometry
磁光裂纹显示
magnaglo crack indication
CO2激光磨削术
CO2 laser skin resurfacing
参变量样条函数磨光法
polishing method of parametric variable spline fun
Polishing method of parametric variable spline function
槽式磨光机
trough grinding-polishing machine