【机械工程】轮叶-型活塞机床或发动机

vane-type actuator (rotary ram)

vane-type actuator for liquids

vane-type damper

vane-type nozzle block【机】

vane-type instrument【仪】

vane-type vacuum pump

hydraulic transmission using vane-type pump and rotor, hydrostatic

vane-type supercharger【动力】