X射线透射法
X-ray transmission method
X-ray transmission technique
X-ray transmission
X射线透射光栅
X-ray transmission gratings
X-ray transmission grating
X射线透射照相
X-ray transmission photograph
photograph
X-ray transmission
γ射线透射法
penetration method by gamma ray
ray transmission method
软X射线透射光栅
Soft X-ray transmission grating
射线透射图像
radial transmission image
透射γ射线选煤
transmission γ ray coal ore dressing