英语词汇“circa，ca.”的翻译、意思、用法、释义-英汉汉英词典

单词	circa，ca.
释义	circa，ca.[大]約食品科技
随便看	center hole center horizontally center hub centerifugal centerifugal--pendulum center in form centering centering ball centering boss centering, centring centering chain centering coil centering control centering device centering diaphragm centering diode centering disc centering error centering error of lens centering fixture centering for shafting centering instrument centering machine centering-machine centering mark