| 释义 |
NGr.
基本例句
=NGr
The NGR and induction resistivity while logging System is composed of MWD, NGR and resistivity tool.
随钻自然伽马—感应测井仪由 MWD、随钻自然伽马仪及随钻感应电阻率仪组成。 magsci
Therefinto, Natural Gas Reburning NGR has the advantage of lower investment, low operating expenses and high NOx reduction efficiency.
其中，天然气再燃具有投资小、运行费用低，脱硝效率高等优点。 cnki |