液压舵机
hydraulic steering gear
hydraulic rudder
hydraulic actuator
hydraulic-pressure actuator
hydraulic steering
液压动力液
hydraulically actuated fluid
液压顶推铰链
hydraulicefficiency push hinge
hydraulic efficiency push hinge
液压缸
symmetric cylinder
Hydro-cylinder
hydraulic actuators
hydraulic cylinder
Cylinder
fluid cylinder
hydraulic pressure jar
Hydraulic-urn
hydrauliccylinder
Hydrocylinder
hydraulic pres sure vat
hydraulic pressure urn
oil hydraulic cylinder
Hydraulic pressure cylinder
oil hydraulic pressure cylinders
Hpdraulic cylinder
hydraulic control valve
hydraulic pump
hydraulic pressure vat
hydraulic tool
液压调速油泵
hydraulically governed pump
液压调速系统
Hydraulic speed regulation system
hydraulic system
Hydraulic speed control system