短语词组短语pulsed bending magnet 脉冲偏转磁铁bending magnet system 磁性偏转系统;偏转磁铁系统triplet bending magnet 三重偏转磁铁beam -bending magnet 电子束偏转磁铁;束偏转磁铁beam bending magnet [核]束流偏转磁铁 返回 bending magnet