acoustic ranger
声测距仪
热门单词
- abradant
- accident experience
- accidental probability
- acheilous
- acid resisting alloy
- acoustical signal
- acromacria
- act of categorization
- actinophage
- action center
- activating system
- active flight
- active power
- Actril
- actuating mechanism
- actuator
- adam's apple
- adams stokes syndrome
- adaptation tolerance
- adapter plate
- adaptive filter
