• 2022-06-06 问题

    Natural gas is primarily . A: ethane B: propane C: methane D: --

    Natural gas is primarily . A: ethane B: propane C: methane D: --

  • 2022-06-04 问题

    what can be used as fuel for automotive engine?() A: Natural gas B: diesel C: propane Gasoline D: Gasoline

    what can be used as fuel for automotive engine?() A: Natural gas B: diesel C: propane Gasoline D: Gasoline

  • 2021-04-14 问题

    中国大学MOOC: 油田气成分component: 甲烷methane、 乙烷ethane, 60~90% 丙烷propane、丁烷butane、戊烷pentane和重烃heavy hydrocarbon, 10~40%

    中国大学MOOC: 油田气成分component: 甲烷methane、 乙烷ethane, 60~90% 丙烷propane、丁烷butane、戊烷pentane和重烃heavy hydrocarbon, 10~40%

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