进入管前端的空气与燃料进行混合，像热煤气一样点燃。

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

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采用空气与蒸汽混合气为气化剂，生产发生炉煤气。

It USES mixture of air and steam to produce coal gas.

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采用空气与蒸汽混合气为气化剂，生产发生炉煤气。

It USES mixture of air and steam to produce coal gas.

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