active nitrogen
活性氮
热门单词
- absolute morality
- absolute truth
- abstention
- acceleration of creep
- accelerator lever
- aceglatone
- acentric inversion
- acetoxylation
- acetylene regulator
- achromacyte
- acid fast staining
- acid receiver
- acoustic frequency signal generator
- acoustic transducer
- acrylic outdoor varnish
- acus
- acute fatigue
- acyl phosphate
- additive colour high-speed step optical printer
- additive primaires
- adipoid
