absorbent charcoal
活性炭
热门单词
- accessibility burn
- accumulating conveyer
- accuracy of reproduction
- acetyl value
- acetylization
- acid etch
- acid rock
- acidic refractory
- acoustic burglar alarm
- acoustic input device
- acousto-optic tunable filter
- action principle
- action research
- active agent
- active gas
- actrapid MC ampoule
- acumen
- acyclic phyllotaxis
- adaptive crisis
- adding mechanism
- adermia
