SIEMENS fully digital DC speedgoverning device has the characteristics consisted of single and expedient parameter installing and perfective functions.
西门子数字式直流调速装置具有参数设置简便、功能完善等特点。
2
The characteristics of low specific speed centrifugal pump are introduced, and the grid generation method for impeller passageway and the governing equations of calculation are also expatiated.
简要介绍低比速离心泵特点，阐述计算的控制方程和叶轮通道网格划分方法。
3
The frequency stability of a shipboard power station is decided by the speed response characteristics of its diesel engine speedgoverning system.