messages: 'The first feed circuit 16 also has a feed valve 27 arranged downstream from the pump 22 a of the turbopump 22 and upstream from the heat exchanger 24.'
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  Please provide a translation of this document from English to French.
messages: user
messages: 'En outre, ce premier circuit d'alimentation 16 comprend une vanne 27 d'alimentation disposée en aval de la pompe 22a de la turbopompe 22 et en amont de l'échangeur de chaleur 24.'
messages: assistant