A powder container, typically cone shaped design to force powder by gravity to feed a gun or transfer system.
一个粉末容器，典型的锥形设计为了使粉末以重力的方式进入喷枪或输送系统。
When the early expansion cone is used to expand solid expandable tubular, the great axial force will be needed and the length of the tube will be reduced considerably.
早期的膨胀锥在应用于实体管膨胀时，不但需要较大的轴向力，而且存在套管膨胀后的轴向尺寸会有较大的减小等难题。
The mechanism of the effect is that the transition induced normal force arise when the boundary layer transition appear on the slender cone.
影响的基本机理是锥面的边界层在转捩时形成了负方向的诱导法向力。
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