自动舵
automatic rudder
auto rudder
automatic pilot
automatic steering
automomous system autopilot
automatic gyro pilot
automatic steering gear
antopilot
auto-pilot
Autopilot
auto-rudder
autohelm
auto-helm
gyro pilot
auto-steerer
iron quarter master
ship autopilot
自动导向气液伺服装置
pneumohydraulic automatic guiding servo system
自动伺服装置测试仪
automatic servo device tester
有伺服装置的调节器
pilot operated controller
电液伺服装置
electro-hydraulic servo device
PWM control