Air which entered the front was mixed with fuel and burnt as a hot gas.

进入管前端的空气与燃料进行混合，像热煤气一样点燃。

youdao

Air which entered the front was mixed with fuel and burnt as a hot gas.

进入管前端的空气与燃料进行混合，像热煤气一样点燃。

youdao