vacuum gooster pump
相关英语词汇推荐
- astrospectrograph camera
- geometrical focus
- diatomic roto
- Varotal lens
- time-averaged shadow-moire method
- visible emissivity
- upper state relaxation
- optical head controllers,control ics/modules
- chronophotography
- holographic gratings
- mode pattern
- push out
- optical harmonic generation
- infra-red beam folower
- metacrystalline
- intensifying screen
- multilongitudianl-mode laser
- filters
- optical deformation
- frequency summing