orifice measurement in a sentence

1. 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 ) )
2. 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
3. It's difficult to find orifice measurement in a sentence.