【计】 伺服扫描

TRANSMISSION by fluid-pressure elemotors or servo-motors

duo-servo

pneumohydraulic automatic guiding servo system

servo-controlled tape mechanism【计】

servo control mechanism【自】;servomechanism【自】

servo integrator【计】;velocity servo【计】;velodyne【计】

servo drive【自】;servo drive【自】

servo track writer【计】