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trifocal lens
meaning in Chinese
三焦点镜片
三焦点透镜
Related Words
trifocal
trifocal spectacle
trifocal glasses
trifocal glass
trifocal le
trifocal gla
spectacle trifocal lenses
aphakic lens
anastigmatic lens
lens stalk
trifocal glasses
trifocal le
trifocal spectacle
trifocide
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