For diffusion burner, burning temperature is lowest, attenuation of velocity is quick.

扩散式燃烧器燃烧温度最低，速度衰减快。

youdao

For diffusion burner, burning temperature is lowest, attenuation of velocity is quick.

扩散式燃烧器燃烧温度最低，速度衰减快。

youdao