International space Station in near Earth orbit, NASA astronauts carried out space walks and lost a bolt and a watcher.
在国际空间站接近地球轨道的地方，NASA的宇航员完成了太空行走，迷失了一个螺钉和一个观测仪。
International space Station in near Earth orbit, NASA astronauts carried out space walks and lost a bolt and a watcher.
在国际空间站接近地球轨道的地方，NASA的宇航员完成了太空行走，迷失了一个螺钉和一个观测仪。
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