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.

youdao

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.

youdao