WT5BZ]quality and gradation of natural gas reservoirs  天然气储层品质及分级

10000 m3 natural gas spherical tank  10000m3天然气球罐

10000m^3 natural gas spherical tank  1000立方公尺天然气球罐

9F natural gas unit  9F燃机

Addition of Hydrogen to Natural Gas  天然气掺氢

Adsorbed natural gas  吸附天然气

Adsorbed natural gas hydrate  吸附天然气水合物

adsorption of natural gas  吸附天然气

Air and natural gas supply system  供气系统; 明显式正向壅塞指示

Air Cooled Natural Gas Engine  风冷天然气发动机

ammonia and natural gas  氨和天然气

ammonia revamping project of using natural gas to replace residual oil  合成氨油改气

Analysis of Natural Gas  天然气分析

and Natural gas condensation heat transfer  冷凝换热

associated (natural) gas  伴生〔天然〕气

Associated natural gas  伴生天然气; 伴生气; 综合天然气

automobiles running on natural gas  天然气汽车

biogenic natural gas  生物天然气

blast furnace gas and natural gas mixture  高炉煤气和天然气的混合气