After introducing the operating principle and structure design of the strip shape measuring roll based on Pneumatic bearing, the design and calculating method of the orifice are analyzed.
本文在介绍空气轴承式板形检测辊的工作原理、结构设计的基础上，分析了节流孔的设计和计算方法。
2
For measuring the pipe orifice, a computer vision method is used.
为了测量管口的尺寸，通常采用计算机视觉方法。
3
Traditional orifice plate flowmeter had some demerits such as low measuring precision and high power dissipation.