The characteristic is not to analyze the components of natural gas, the density of natural gas can be traced to the frequency.
其特点是不需要测量天然气中组分含量，天然气密度可溯源到频率。
A new method, on-line measurement of the density of natural gas, has been established by researching on vibrating element density transducer tests.
前言： 通过应用振动式密度计试验研究，在国内建立起一种天然气密度在线测量的新方法。
A new method, on-line measurement of the density of natural gas, has been established by researching on vibrating element density transducer tests.
通过应用振动式密度计试验研究，在国内建立起一种天然气密度在线测量的新方法。
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