| 摘要 |
The rod-club has a handle III which at its both ends is provided with threaded tips: unconnected tip /3/ and rod ending /3/ to which the rod /2/ is fixed axially, and this ending /3/ is screwed to a hollow cylindrical beater /4/, closed at its unconnected end, so that the rod /1/ is laced inside this beater /4/. |
