英语词汇“crown lens”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	crown lens
释义	crown lens noun A lens made of crown glass and usually forming one component of an achromatic lens.After polishing the crown lens, a new lap - convex - is made and the third surface polished.... After crown lenses are chemtempered, suspend them over the chemical bath for at least 15 minutes. Now lower the mating surface of the crown lens onto this puddle without entrapping air and let the lens settle into the oil unaided.
随便看	table cut table cutter table damask table dance table dancer table dancing table decker table desk table d'hôte table diamond table discourse table drain table fare table flap table football table fork table-formed table fountain tableful table game table glass table grinder table hand table-hop table hopping

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。