On the other hand, the fact that the cervical arm is connected to the support shaft by means of a flange serves to facilitate other suitable pivoting actions.
另一方面，颈臂通过凸缘连接至支架轴这一事实有利于其它适当的枢转运动。
The user is convenient to adjust the distance between support pipes by means of design of the pivoting seat.
借由枢纽座的设计，使用者可便利的调整支撑管之间的距离。
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