Conclusions When the angulation of healed long bone shaft fracture at lower limbs exceeds the physical weight bearing line, the condition should be treated surgically.
结论下肢长骨干骨折后成角愈合超过生理负重线基本条件后应手术治疗为好。
The both ends are installed on the spherical bearings, therefore, the requirement of concentricity of the bearing seats at the both ends and the central line of the rotating shaft is not high;
它的两端安装在球面轴承上，因而对于两端轴承座与转动轴中心线的同心度要求不高；
Bearing inner ring (shaft circle) of the basic cylindrical hole or holes in the internal tapered cylinder or cone in the axis line access.
轴承内圈(轴圈)的基本圆柱孔或圆锥孔的内接圆柱体或内接圆锥体的轴心线。
Angular contact ball bearings transfer the loads acting on the bearing at a certain Angle, the so - called "contact" Angle from the shaft centre line (see sketch below).
角接触球轴承，轴承的负荷，在一定的角度，-所谓的“接触”轴心线(参见下图)的角度转移。
X-shaft guide rail applies the support structure of two guide rails, selects imported heavy-duty roller straight-line guide rail, and has various heavy load-bearing sliding blocks.
轴导轨采用两条导轨支撑结构，并选用进口重载滚柱直线导轨，密布多个高承重滑块。
X-shaft guide rail applies the support structure of two guide rails, selects imported heavy-duty roller straight-line guide rail, and has various heavy load-bearing sliding blocks.
轴导轨采用两条导轨支撑结构，并选用进口重载滚柱直线导轨，密布多个高承重滑块。
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