active cross-section
水流断面
热门单词
- abrasive wheel dresser
- absoluted profit
- absorption- contrast image
- abundant
- acarbose
- acceptance sampling plan
- acceptance summary report
- access object
- access-control scheme
- accounting on the accrual basis
- accumulative sinking fund
- accurate beam scanning method
- Acelan
- acetone dicarboxylic acid
- acheb
- acme thread ga(u)ge
- Acrasiales
- acromegalic gigantism
- acrosin
- Acrylaglas
- actinometer paper
