单词	aperture board
释义	aperture board [计] 窗孔板
随便看	secondary vein secondary ventilation secondary venturi secondary-vertical derivative field secondary vertical system secondary vibration secondary vibration in rear suspension secondary victim secondary victimisation secondary victimization secondary victimizations secondary villi secondary villus secondary virginity secondary visual cortex secondary vitreous secondary vocational school secondary voltage secondary voltage control secondary voltage rise time secondary vortex after cascade secondary wall secondary waste secondary waste heat boiler secondary waster treatment 援2 援3 援4 援古刺今援古证今援笔成章援笔立成援鳖失龟揵揶 01908 01909 01910 01911 01912 01913 01914 01915 01916 01917