Some data which are necessary for using elbow 12a and determining the main geometric parameters of the draft tubes with elbow 12a are given.
本文介绍有关推广应用12a窄高型尾水管的试验研究成果，给出了应用12a肘管和确定具有该肘管的尾水管主要几何参数所必需的一些数据。
The relation between the number and speed of stall cells and the circumferential stalled region and the main geometric parameters of cascade is described.
描述了失速团数目、失速团传播速度和周向范围与叶栅主要几何参数的关系。
The size and geometric parameters of the rolling sections for the main body metal structure of the extracting core machine are selected according to the calculated results.
最后根据程序计算结果，选取了换热器抽芯机主体金属结构的型钢规格和几何参数。
应用推荐