costruzione frase (vedi)

English to Italian Tech/Engineering Engineering: Industrial Combustion in CFB boilers

Where applicable, after the oxygen analyzers have been recalibrated and the O2 split has not been corrected, wall seal return leg temperatures should be compared to determine if fuel feed is balanced. First, try to adjust *****individual air drop air flows to balance temperatures (air to fuel feed)****.

A mio parere c'è un "air" di troppo, a meno che non interpreto male io la costruzione (individual air drop flows = complemento oggetto). Che ne dite?