筒式结构 meaning in Chinese

core structure

This paper is about studies of a new type of shale shaker using a new roller - structure screen , which is made by winding the normal flat screen or corrugated pyramid screen into rotter screen , and can be installed on the shale shakers being used in the oil fiem
本文研究了一种采用新型筒式结构筛网的钻井振动筛，其筛网是将普通平板筛网或波纹锥形筛网卷制成筒形结构，并可安装在现有的钻井振动筛上。