The structure of impeller made by special material a hollow cylinder and installed in spindle assembly with cone at the top of the head, axial and key connection from, high-speed transfer button.
叶轮结构由特殊材料制作的一空心圆柱体，安装在主轴总成上端轴头上，用圆锥套和键联接传递钮距，高速旋转。
By adopting a structure combining the air cylinder and guiding-column and guiding-cover as a cushion, the special requirement of the customer has been satisfied quickly for the stable structure.
采用一种气缸配合导柱导套结构来作为气垫，这一改进结构稳定可靠，快速满足用户的特色需求。
Special structure of the spool can ensure that the flow curve of any change to the two-cylinder has the good convergence, and thereby the shock of exchange is reduced.
阀芯的特殊结构，保证任意两缸换向时的流量曲线的良好衔接，从而减少换向冲击。
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