Discharge and return upstream, as well as salvage of damaged river barges, is also an important step to full recovery of this critical system.

驳船卸货和返回密西西比河上游，以及补救受损的河运驳船，也是该重要系统完全恢复的重要步骤。

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Discharge and return upstream, as well as salvage of damaged river barges, is also an important step to full recovery of this critical system.

驳船卸货和返回密西西比河上游，以及补救受损的河运驳船，也是该重要系统完全恢复的重要步骤。

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