伺服电位计

TRANSMISSION by fluid-pressure elemotors or servo-motors

duo-servo

servo cut-out switch panel【自】

servo control mechanism【自】;servomechanism【自】

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

servo drive【自】;servo drive【自】

servo track writer【计】

bang-bang servo【自】;relay servomechanism【自】;