If they have time, astronauts and cosmonauts will look to plug the leak or close the hatch to the leaking section of the station. (That is how they dealt with a minor leak in the station’s PrK module for a number of years, and it basically worked.) Remember, though, that this is the worst-case scenario, and our crew will run into a hard deadline. Once pressure falls to around 490 mm Hg, NASA says, critical systems risk breaking down. Astronauts could suffer hypoxia, oxygen deprivation so debilitating they could become delirious. It will be a heart-wrenching call, but if nothing else can be done, the crew will need to go to their crew vehicles and leave the ISS.
韩俊：党的十八大以来，以习近平同志为核心的党中央把脱贫攻坚摆在治国理政的突出位置，习近平总书记亲自谋划、亲自挂帅、亲自出征、亲自督战，现行标准下9899万农村贫困人口全部脱贫，832个贫困县全部摘帽，12.8万个贫困村全部出列，历史性地消除了绝对贫困。改革开放以来，中国共有8亿多人摆脱贫困，创造了彪炳史册的人间奇迹。，详情可参考旺商聊官方下载
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