NASA当初在建造亚特兰蒂斯号时，同时决定打造一整套的备用配件，他们考虑到如果飞船损坏的话，这样维修起来很方便。
When NASA built Atlantis, they decided to make a complete set of spare parts, with the idea that if any shuttle was damaged, it could easily be repaired.
NASA当初在建造亚特兰蒂斯号时，同时决定打造一整套的备用配件，他们考虑到如果飞船损坏的话，这样维修起来很方便。
When NASA built Atlantis, they decided to make a complete set of spare parts, with the idea that if any shuttle was damaged, it could easily be repaired.
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