国营: state-operated; state-run天然气: natural gas; gas和: mix; blend氦气: helium开采: mine; extract; exploit; reco ...加工: process; machining; working; ...托拉斯: trust天然气开采: natural gas extraction石油天然气开采: exploration for and evaluation of mineral resources天然气开采特许费: gas royalty巴林国营天然气公司: bahrain national gas国营天然气管道公司: beltransgas天然原油和天然气开采: crude petroleum and natural gas extraction全苏工业矿渣加工托拉斯: soyuzshlak石油和天然气开采技术员: petroleum and natural gas extraction technician石油和天然气开采联合公司: union for the prospecting & production of oil & natural gas开采天然气: tap natural gas天然气加工: natural gas processing早期天然气开发: earlier years of gas development天然气的开采: gas extraction石油和天然气的开采与加工: extraction and processing of petroleum and natural gas天然气加工厂: gas plant石油和天然气开发公司: ogdc石油天然气开发公司: oil & gas development corp布茨天然气和石油公司: buttes gas & oil co
