对比试验结果表明，螺旋钢丝圆筒筛确能提高物料筛分的分离完全度，但物料的轴向平均速度有所下降。
It is shown that sizing efficiency of the cylinder is higher than that of general cylinder and that axial average speed of material has certain decrease by experiments.
设粘弹性板的轴向运动速度为常平均速度与简谐涨落的叠加，建立轴向加速运动粘弹性矩形薄板的运动微分方程。
The axially moving speed is a simple harmonic fluctuation about a constant mean speed, the differential equation of motion of axially accelerating viscoelastic plate is established.
应用该系统详细测量了单孔板和双孔板管流的轴向和径向平均速度。
Detailed measurements were made in a pipe flow for single and double orifice cases by using: this system.
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