The experiment system for measuring silo effect is designed. The size dependence of static pressure at the bottom of a series of cylindrical granular columns is investigated using this apparatus.
设计并制作了观测静态颗粒物质筒仓效应的实验系统，应用该装置研究了筒仓效应的尺寸依赖性。
The theory and structure of the opt-electronic pressure measuring and transferring system are introduced, which has been used in measuring static pressure of the rotating centrifugal fan successfully.
通过对旋转风机叶片表面压力信号测量的应用，介绍了风机实验台的信号光电转换系统的结构及原理；
The measuring principle of static differential pressure is pointed out. Three characteristics of the measuring method are set forth.
指出了静压差测量法的原理，并阐述了该测量方法的三个特点。
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