摆动马达 meaning in English

semi rotary actuator
semi-rotary actuator

Continuous revolving electro - hydraulic servo motors ( crehsm , for short ) are key parts of the hydraulic turn tables which are semi - object simulating equipments which are always driven by swing motors and have great value in our national defense
液压仿真转台一般由摆动马达驱动。仿真转台用连续回转伺服马达克服了摆动式仿真转台马达的转角限制,可以拓宽高性能液压仿真转台的应用领域。