control orifice

基本解释

For the real engineering practice of canal control, the orifice discharge coefficient must be determined by hydraulic test.
对于实际工程的应用应通过水力学实验来确定。
This paper introduces a mixing technology and control method utilizing ratio valve with floating orifice and its application in LPG medium-pressure network.
介绍了一种利用浮动孔口比例阀开发的混气工艺和控制方法，以及在LPG城市中压管网上的应用。
Constant orifice differential pressure is the premise for high accuracy hydraulic measuring, so thorough analyse of orifice differential pressure control technology has been taken.
阀口压差的稳定是高精度液动测量的保证，因此深入研究了阀口压差控制技术。