minimum igniting energy of methane

例句：

1. 1. The design ofthe engine requires a minimum igniting energy of 20 mJ.
   发动机的设计需要最低点火能量为20毫焦。
2. 2.The efficiency of the combustion process is directly related to the minimum igniting energy of the fuel.
   燃烧过程的效率与燃料的最低点火能量直接相关。
3. 3. The research on the minimum igniting energy of methane has significant practical applications in the field of energy conservation and emission reduction.
   甲烷的最小点火能量研究在能源节约和排放减少领域具有重要的实际应用价值。