煤气流量 meaning in English

gas daily flow

On - line measurement system for gas flux in the pipeline based on vapour pressure equation
基于蒸汽压方程下的管道煤气流量在线计量系统
Measurement of gas flow is a difficulty . v - cone flowmeter provided a new measuring method for measurement of gas flow . application and feature of v - cone flowmeter are introduced
摘要煤气流量测量一直是仪表检测的难点，锥型流量计为煤气流量测量提供了新的测量方法，本文介绍了锥型流量计在现场的使用情况和特点。