adjustable ball hinge
可第球铰链
热门单词
- absorber-demethanizer
- Ac = altocumulus
- ACE
- acid protease
- acid refractory
- acrimony
- active group
- active humus
- actual frequency
- acyclic phyllotaxis
- adding machine
- additional roller table
- additive property
- ADEM
- adjustable bench plane
- adjustment system
- adolescent dementia
- adrenalinoscope
- adzuki bean
- AEC = Atomic Energy Commission
- aerial attenuator
