acoustic frequency generator
声频发生器
热门单词
- abdominal region
- Abelian domain
- absolute seasonal fluctuation
- absorption refrigeration
- accessories
- accordion fold
- accumulated income
- accumulated profits
- accumulation horizon
- accumulative timing
- accurate determination
- acetocid
- acetone resin
- acetylator
- acid lining
- acid-resistant intalox saddle packing
- Ackeret method
- acorn tube
- acquisition model
- acritical
- acroconidium
