短語詞組短語drift -tube linear accelerator 漂移管直線加速器drift t tube 漂移管accelerator drift -tube 漂移管加速器floating drift tube klystron 漂移速調(diào)管metallic drift tube 金屬殼漂移管monitored drift tube MDT 管室ellipsoidal drift tube 橢球形漂移管metallic c drift tube 金屬殼漂移管 返回 drift tube