access opening
检修孔
热门单词
- abrasive mounted wheel
- acanthus
- accomplishment rate
- accumulative play
- acetic anhydride
- acetophenone
- acetyl cellulose
- acetylsalicylic acid compound
- achromatic prism
- acidum carbolic
- acoustic area
- acroblast
- action at distance
- acupuncture and moxibustion instrument and material
- acyclic
- adaptive control optimization
- addition solid solution
- additive agent
- additive colour high-speed step optical printer
- adelogenic
- adiabatic curve
