orifice measurement meaning in English

孔板流量测量

3 ) opc technique was applied in computing natural gas flow , we designed the computing natural gas flow software based on sy / t6143 { standard orifice measurement methods for natural gas flow ) )
3 )介绍了opc技术应用于天然气流量计算的实现过程，设计开发了基于sy t6143 《天然气流量的标准孔板计量方法》标准的天然气流量计算软件。
The technology of micro - electronics and calculation method was fully made in the system . how to improve the accuracy of standard orifice measurement is also discussed from the following aspects : the means of measurement and transmitter , online correction of measurement parameter and abnormal condition . all those means are used to overcome its shortcomings of less scale of measurement range , short period of checkout , more tache of maintenance and low accuracy of measure
该系统充分利用微电子技术和计算技术以及通过实际现场总结的经验，主要从测量与变送环节采取的措施、相关参数的在线实时补偿算法、非正常情况的在线补偿三个方面对如何提高量精度加以论述，尽可能地弥补孔板差压式流量计量程比较小、检定周期短、维护环节多、准确度低的不足。