因此，必须通过燃烧器助燃空气与燃料精确的自动比例调节来实现上述要求，且比例调节为全量程的输出范围。

As a result, the ratio between the volume of air and the amount of fuel used must be accurately adjusted -across the burner's entire output range.

youdao

因此，必须通过燃烧器助燃空气与燃料精确的自动比例调节来实现上述要求，且比例调节为全量程的输出范围。

As a result, the ratio between the volume of air and the amount of fuel used must be accurately adjusted -across the burner's entire output range.

youdao