a lossing proposition
亏本生意
热门单词
- ability to compete
- absolute object program
- absolute spectrophotometric gradient
- absorption hygrometer
- AC outlet
- acatalasia
- acceptable quality limit
- acceptance summary report
- accessory diagnostic method
- accouterment
- accuracy and source strength
- accuracy of instrument
- acetyl propionyl,methyl ethyl diketone
- achromatic phase plate
- acid-etched
- Acker cell
- Acme thread tap
- Aconchulinida
- aconite
- acoustic doublet
- acoustic filter
