短语词组短語rotary -vane E vacuum pump 鏇翼式真空泵Rotary -vane pump or pump 鏇片幫浦或廻轉幫浦single -vane rotary pump 單葉片扭轉泵;單葉片鏇轉泵sliding -vane rotary vacuum pump 鏇片真空泵2X -type rotary vane vacuum pump X型鏇片式真空泵 返回 rotary-vane pump