diffusion combustion

例句：

1. 1.The diffusion combustion of the gas is a significant factor in the reaction.
   气体的扩散燃烧是反应的一个重要因素。
2. 2.The process of diffusion combustion is crucial for the development of new materials.
   扩散燃烧过程对于新材料的发展至关重要。
3. 3. The diffusion combustion of the gas is responsible for the formation of the reaction products.
   气体的扩散燃烧是反应产物形成的原因。