变像管高速扫描照相机 image converter streak camera

变速导管 shifter guide

快速变容二极管 snap varactor diode ; PBV snap varactor diode

变速器通气软管 gearbox breather hose

快速变频磁控管 [电子] fast frequency shift magnetron

高速变像管相机 high speed image converter camera

变像管高速摄像机 image converter high-speed camera

变梯度加速管 alternating gradient accelerating tube

变速箱管总成 transmission tube assembly