A new type of cylinder which is called the spring wire cylinder, is invented to improve screening performance of cylindrical screen.
为了提高圆筒筛的筛分性能，提出了一种新型的圆筒筛——螺旋钢丝圆筒筛。
A mathematical model is derived to describe the motion of a particle on a cylindrical rotating screen, and its simplified form is developed for practical use.
本文导出了能够较全面地描述质点在圆筒筛面上运动的数学模型，并给出便于应用的简化形式。
This paper analyzed the structure and the working process of three-layer-cylindrical grader and the grading performance and screen mesh-size are experimentally studied.
分析了三层滚筒式银杏分级机的结构特点及工作过程，并对分级机的分级性能及筛孔大小进行了试验研究。
This paper analyzed the structure and the working process of three-layer-cylindrical grader and the grading performance and screen mesh-size are experimentally studied.
分析了三层滚筒式银杏分级机的结构特点及工作过程，并对分级机的分级性能及筛孔大小进行了试验研究。
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