KSC-00PP-0487.jpg KSC-00PP-0486缩略图KSC-00PP-0488KSC-00PP-0486缩略图KSC-00PP-0488
Liquid nitrogen lines are being used to freeze portions of Space Shuttle Atlantis' hydraulic lines leading to and from the Power Drive Unit (PDU) to prevent air intrusion during its removal. PDU replacement is expected to occur without impacting the April 24 launch date on mission STS-101.
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Kennedy Space Center
作者
NASA
描述
Liquid nitrogen lines are being used to freeze portions of Space Shuttle Atlantis' hydraulic lines leading to and from the Power Drive Unit (PDU) to prevent air intrusion during its removal. PDU replacement is expected to occur without impacting the April 24 launch date on mission STS-101.
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https://science.ksc.nasa.gov/gallery/photos/2000/
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