photochromic gas viewing screen
光色气体观察屏

• reflected illumination
• reflected light microscope
• reflected radiation
• reflected ray
• reflected wave
• reflecting action
• reflecting anamorph
• reflecting anamorphotic optical system
• reflecting camera
• reflecting collimator
• reflecting dichroic mirror
• reflecting element
• reflecting elements in series
• reflecting film
• reflecting finder
• reflecting galvanometer
• reflecting goniometer
• reflecting layer
• reflecting medium
• reflecting microscope
• reflecting mirror
• reflecting objective
• reflecting optics
• reflecting plane
• reflecting power