accident rate
事故率
热门单词
- ablephary
- AC exciter
- accepted load
- acetomenaphthone
- acetone sugar
- acid sulfite
- acid-resisting material
- acoustic information
- acrylic dye
- activated sludge
- active filter
- actual draft
- actuating chamber
- acylation
- adhesive for wall tile
- adiabatic reactor
- adjustable steel ironing board
- adjusting device
- adjuvant therapy
- adoptive parents
- adsorptive enzyme
