achromatic convex lens
消色差集光镜
热门单词
- AA conductor
- abdominal pressure
- abietinal
- ability to sell
- absence
- accelerating jet
- acceleration pump well
- acceleration type phonocardiogram microphon
- access environment
- access-control words
- accordion fold
- accumulation horizon
- acervulus
- acetine
- acetyl
- acetyl number
- acetylperchlorate
- acid phthalic anhydride
- acid-resistant stoneware blower
- acid-resistant thermotolerant ceramic brick
- acid-resisting steel