actual burden rate
实际负担率
热门单词
- 6,7-dihydroxycoumarin-6-glucoside
- ablepsia
- absentia
- absorbing material
- absorption meter
- acapnial
- accommodator
- accounts are not in order
- acetylene black
- acid electrode
- acid-resistance
- Ackermann's function
- acoelomate triploblastica
- acoustic research vessel
- acoustic wave analysis
- acquisition of concessions
- acromioclavicular ligament
- acrylic flashing paint
- act at one's discretion
- actinide chloride
- action at a distance