ultra
超短波波段
ultra short wave band【电子】
暂无补充释义。
相关词条
ultra-thin section
ultra-magnifier
infra-red lamp, ultra-violet lamp, head radiator
ultra-sonic medicinal glass bottle cleaning machine
UV absorber (ultra-violet screening agent) additive (plastic ingredient)
ultra-fine filter
antioxidants as ultra-violet radiations against the effects of ultra-violet radiation