affirmative proposition
肯定命题
热门单词
- abdominal wall retainer
- AC electric welding machine
- academy
- acetate moire
- acid green
- acid humus
- acid rinse
- acid-resistant stoneware tower
- acidic reaction
- acoustic resonance
- acrylic resin tooth
- active current
- actual dimension
- actual power
- actuator
- additional roller table
- adit opening
- admissible stress
- advanced tactical fighter
- aerial craft pollution
- aerial tuning coil
