activation number
活化值
热门单词
- abrasive powder
- absorbing band
- absorption coil
- acceleration type PCG microphon
- acceptance of subdivisional work
- accepter for honour
- accessory shock
- accident survey
- acetyl valeryl
- acetylsalicylic acid powder
- Acme Supplement
- acoustic
- acoustic homing head
- acoustic reactance
- across-the-board reduction
- acrylic modified nitrocellulose enamel
- active cirque
- active day
- actual acidity
- actual clearance
- actual life
