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