本文简要叙述了速度零散对迴旋管主要参量的影响；
The effect of velocity spread on the main parameters of gyrotron oscillators is described briefly.
综述了近年来旋管动态过滤技术的主要研究成果，展望了其应用前景。
The major research results of rotary cylinder filtration technology in recent years were presented, and the application perspective was predicted.
文章侧重讨论螺旋管流输移固粒的特征机理与起旋器效率的测试与计算方法。
The characters and mechanism of the transport way, and the calculation and measurement method of the efficiency of the pipe cyclone are presented.
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