achromatic doublet
消色差双合透镜
热门单词
- a negligible quantity
- abashment
- abortive enterprise
- abraser
- absquatulate
- abstract publication
- acceptance phase
- accounting doctrine
- accumulative sampling
- accuracy control character
- acetaniside
- acetobacter
- acetophenone
- acetylated cotton
- Achaia
- Achaian
- aciculate
- acid brittleness
- acid cerise
- acid recovery
- acid treated finish