短語詞組短語rotary -vane attenuator 旋轉翼片衰減器rotary y vane compressor 旋轉葉壓氣機rotary sliding vane compressor 旋轉式滑葉壓縮機Rotary -vane Pump 旋片式機械真空泵rotary y vane motor 旋翼式電動機 返回 rotary vane