预计这次出舱活动从打开舱门算起，到关上舱门需要半小时到四十分钟左右，航天员在舱外活动二十分钟左右。
The EVA is expected to open the door from the beginning, the need to close the door and a half hours to four minutes, the astronauts in extravehicular activities, two minutes.
预计这次出舱活动从打开舱门算起，到关上舱门需要半小时到四十分钟左右，航天员在舱外活动二十分钟左右。
The EVA is expected to open the door from the beginning, the need to close the door and a half hours to four minutes, the astronauts in extravehicular activities, two minutes.
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