activity test
活性试验
热门单词
- Abel's problem
- abrupt
- absence of lobules
- absolute age of soil
- absolute complement of set
- access plate
- access-opening
- accession
- accordion plate
- accruals
- accumulated dividends
- acetone-benzol dewaxing plant
- acholic
- acid blowcase
- acid transformer
- acid-recovery plant
- Ackerman steering
- acknowledgment signal
- Acme thread tap
- acoustic coupling
- acoustical filter
