十九岁在线观看免费高清完整神十八乘组将实施2至3次出舱活动
![参与互动](https://pic.qqtn.com/up/2017-11/2017110314065757434.jpg)
神舟十八号乘组在轨 期间,将实施6次载荷货物气闸舱出舱任务和2至3次出舱活动。
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