acorn tube
n.橡形真空管
热门单词
- absolvent
- abstract algebraic variety
- abyssalpelagic
- accelerating relay
- acceptance by intervention
- accidental fluctuation
- accompanying audio channel
- accompanying drawing
- according as
- account of cash in vault
- accourting manager
- accrued leave
- accuracy control character
- acetonide
- acetonyl acetone
- Achaea
- acid centrifugal pump
- acid production
- acid resisting hose
- acid-fast
- acidic resin