active optical fiber
激活光纤
热门单词
- 2-mercaptophenylimidazole
- a tree which bears a cone
- abneural current
- abscission zone
- absolute asymmetry
- acceptability for cyclic operation
- acceptable value
- accordion pipe
- accumulating type heat exchanger of revolution
- accumulation rate
- accuracy for vertical control
- accuracy of adjustment
- acetaminophenol
- achromatic light
- acid blow case
- acid developer
- acorn valve
- acoustic suspension
- Acrasiomycetes
- acrobatics and tumblings
- acromelic gangrene
