active sonar
主动声纳
热门单词
- 2-furylcarbinol
- 2-Hi universal type slabbing mill
- above-thermal
- abrade
- abraison platform
- absolute majority
- absorption spectrometer
- Acadian orogeny
- accepted indicator
- accessional teeth
- accumulative total
- accuracy testing
- Achilles tendinitis
- acid
- acme thread
- acoustic test
- acoustic-electric index
- acrania
- acrokeratosis
- acrylonitrile rubber
- actinograph
