actuating spring
促动簧
热门单词
- Abney mountin for concave grating
- absolute pauperization
- absorbing material
- absorption meter
- absorption region
- absorptive power
- acanthorrhexis
- accelerating pump
- accelofilter
- account of credit sales
- accrued- expenditures basis
- accumulator locomotive
- Acetat Rhodia
- acetometer
- acetylene welding torch
- acetylurea
- achondroplasia
- acid activation
- acid-resisting concrete
- acidwashing
- Acinetobacter
