main shaft key
Main Shaft Key(主轴键), 此释义来源于网络辞典。
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花键主轴 splined main shaft
主动轴花键 drive shaft spline
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。
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.
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