所述网可 以为圆锥形或者截头圆锥形且与过滤管同轴心。
The net may be cone or frustoconical-shaped and arranged coaxially with the rose pipe.
将优化设计理论应用于工程设计，列举了无盖容器最小用料量的优化设计的两个应用实例，结果表明将容器取为截头圆锥体形状时，最为节省材料。
Optimization design theory is applied to the engineering design, and two practical examples of minimal material optimization about uncovered container are given in this paper.
这种增强效果是通过使用用于该双圆锥设备的两个截头 圆锥部分的一个连续几何构形而获得的。
The enhancement is achieved is by using a continuous geometry for the two frustroconical sections of the double-cone device.
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