act of attention
注意集中
热门单词
- 3-乙酰乌头碱
- accident investigation
- aci form
- acidite
- acoustic radiation pressure
- acrolein test
- actinometer
- activated rosin flux for wave soldering
- active correlator
- active directive
- acyl carrier protein
- adam's apple
- adaptability test
- adaptive controller
- additive factors method
- adenoneural
- adhesion
- adiabatic approximation
- adit opening
- adjustable block level
- adjustable round split die with adjusting screw
