bottom press (roll)是什么意思

用法例句

This paper introduces to apply downhole pressure during fracturing to analyzing and determining fractures′ extension.

文章介绍了如何运用压裂施工的井下压力,分析、判断裂缝延伸情况,并采用GOHFER2000全三维压裂软件进行拟合分析,获得裂缝几何参数和形态。