短語詞組短語rotary -vane E vacuum pump 旋翼式真空泵Rotary -vane pump or pump 旋片幫浦或回轉幫浦single -vane rotary pump 單葉片扭轉泵;單葉片旋轉泵sliding -vane rotary vacuum pump 旋片真空泵2X -type rotary vane vacuum pump X型旋片式真空泵 返回 rotary-vane pump