active trade balance
贸易顺差
热门单词
- abrasive cutoff machine
- Abrikossoff's tumor
- absolute address in a segment descriptor
- absorbable hemostatic cotton
- abstract individual
- acanthosoma
- acarophily
- acceptance of service
- access algorithm
- accordion roller conveyor
- accuracy error
- acetal
- aceto-carmine
- acetohexamide
- acetosoluble albumin
- acetoxy valepotriate
- Achromobacter
- acid fuchsin stain
- Ackermann steering
- acoustic radiometer
- acquired cardiovascular disease
