The wrapper arm with the fulcrum shaft in coilers must be fitted firmly to feedback precisely the angle movement of the wrapper arm.
为准确反馈卷取机助卷辊支臂角位移，支臂与轴必须牢固联接。
With fulcrum at end of shaft , the center of gravity is changed and clubhead feels much heavier.
由于支点的杆柄末端，重心的改变使杆头感觉更重。
With fulcrum at end of shaft , the center of gravity is changed and clubhead feels much heavier.
由于支点的杆柄末端，重心的改变使杆头感觉更重。
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