瀬尾的研究得到了美国莫尔顿体育用品生产商赞助，在研究中，他发现在低速下球的空气动力原理设计与流畅的圆球体更相似。
Seo’s research, which was supported by sports equipment manufacturer Molten USA, found that at slower speeds the ball’s aerodynamic behaviour begins to resemble more of a smooth sphere.
用示踪颗粒法对细玻璃球在斜槽中的低速流动进行了实验研究。
The flow of fine glass beads at low velocity in an inclined chute was investigated by means of tracer particles.
有效的监测及控制低速钢球磨煤机的料位，是制粉系统实现优化运行、节能降耗的关键。
Monitoring and control the material levels of tube mill validly is the key of optimized operation, energy-saving and consumption-reducing in pulverized coal system.
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