Since cannon drum of agile shell-feeding system rotates frequently and intermittently, its movement must be steady.

敏捷供弹系统弹鼓的运动是频繁的间歇转动，运动必须平稳。

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The material movement in the drum miner is analysed, the general formula of the material movement, which can be used to design such devices, is presented.

本文对圆筒混合机内物料的运动进行了较全面的分析，给出了物料运动的一般方程。可为圆筒混合机设计、使用提供有阶值的参考。

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Circumferential movement a term used to describe the direction of movement coincident with the periphery of a cylinder, drum or roller. See Lateral movement.

圆周向移动用来描述跟着圆筒，圆鼓或辘的外边转动而移位的情况。参阅横向移动。

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Chants, music, and the much-derided drum circles had been an integral part of the Occupy movement since its inception, but for the most part, the audience had been limited to those in the parks, most of them participating in the music themselves.

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