screw displacement

The purpose of Lubrication in ball screw applications is to reduce friction and wear, provide anti-corrosion, cooling, and foreign substance displacement measures.

滚丝杠的润滑是为了减少摩擦磨损，抵抗腐蚀，冷却，减少外部物质的影响。

The serials of 135 three screw pump is the positive displacement pump with high technica.

135型三螺杆泵[1]是一种技术含量相当高的容积式泵。

The mechanism of reduction is that the LSRF used contacted point of lamina by lamina hook as the fulcrum, through the pedicle screw to pull the spondylolisthetic vertebrae, and reduce the anterior displacement of vertebrae.

MRF的复位机制为以椎板钩与椎板接触点为支点，利用椎弓根螺钉将滑脱椎体向后上提拉，使椎体前移复位。

The thesis unifies the Specific property of kinematic pairs with the screw Displacement Matrix.

从而将这类运动副的运动特性,统一到了螺旋位移矩阵之中.