1) natural gas system
天然气系统
2) Natural gases information system
天然气信息系统
3) natural gas processing system
天然气加工系统
1.
The theory and the application of simulation technology needed further development because natural gas processing system was relatively complex and its simulation was relatively difficult.
天然气加工系统本身比较庞大和复杂 ,其过程模拟涉及面广 ,难度较大 ,无论是在过程模拟的理论基础上 ,还是在模拟技术的运用上 ,都有许多值得发展的地方。
4) the gas system of itself
本体天然气系统
5) natural gas transmission and distribution system
天然气输配系统
1.
The requirements for valves in urban natural gas transmission and distribution system and the selection of materials for valve body are introduced,and the scope of application for different natural gas valves and the matters needing attention in the selection are analyzed.
介绍了城市天然气输配系统阀门的要求和阀门壳体材质的选用。
6) natural gas boosting system
天然气增压系统
1.
Reliability optimization of natural gas boosting system based on Genetic Algorithm (GA);
基于GA的天然气增压系统可靠性优化
补充资料：石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(internotional tradeof011 and只as)见石油市场与天然气市场。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条