应用于使用磁性衬板的球磨机与分级机之间，可提高返砂比和磨矿效率。
When it is used between ball mill mated with magnetic liner and classifier, the underflow ratio and grinding efficiency are increased.
钒钛抗磨铸铁衬板的夹砂、断裂缺陷是影响质量的关键因素。
The scab and the fracture defect in VTi abrasion resistance cast iron sheathing board are the Key factors that influence its quality.
对割缝衬管在防砂井中受外挤力作用进行了分析，计算了井底压力（包括流体流经砾石层和割缝衬管的压降） ，建立了衬管割缝参数与割缝条幅弯曲强度及刚度之间的关系式。
The pressure of slotted pipes in a sandy well was analyzed. The bottom hole pressure was computed. A model for computing the bending strength and stiffness of a slotted pipe was proposed.
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