bubble tube axis 水准管轴
The forces acting on the departing bubble are also analysed. and the formulas for calculating the relative velocity and the velocity with which the bubble moves to the tube axis are obtained.
继而分析了在边界层中脱离壁面的汽泡上的作用力，导出了汽泡运动相对速度的计算公式及汽泡走向管子轴心的速度的计算公式。
The forces acting on the departing bubble are also analysed. and the formulas for calculating the relative velocity and the velocity with which the bubble moves to the tube axis are o...
继而分析了在边界层中脱离壁面的汽泡上的作用力，导出了汽泡运动相对速度的计算公式及汽泡走向管子轴心的速度的计算公式。
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