The analysis of combustion parameters in cylinder shows that the ignition delay reduces, peak combustion pressure decreased and combustion process becomes more smooth.

对气缸内参数的分析表明，滞燃期缩短，最高燃烧压力降低，燃烧过程较为柔和。

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The isothermal forging process is introduced in the paper which is to meet the technical requirements of the landing gear cylinder, and how to control the process parameters is also introduced.

介绍了根据起落架外筒技术要求确定的等温模锻成形工艺方案以及此项工艺的工艺参数控制。

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