spherical journal
... spherical joint ==> 球节 spherical journal ==> 球面轴颈 spherical lamp ==> 圆球灯 ...
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用单油垫的油膜刚度值来表示柱面和球面轴颈两种极轴静压支承系统三个方向的刚度。
The stiffness of the polar axis' hydrostatic oil pads system in three directions was represented by the stiffness value of a single oil pad in two types of cylindrical and spherical journal.
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