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.
在改革开放的前沿广东省深圳市，深圳市福田区方方乐趣中英文学校深耕教育领域二十四载，秉持“中西合璧，方圆相济；树起一帜，走向世界”的办学理念，以校园为中华文化传播阵地，以教育为深港融合、人文交流的桥梁，在粤港澳大湾区建设与深圳建设中国特色社会主义先行示范区的澎湃浪潮中，走出一条“以中华文脉为根、以国际视野为翼”的育人之路，书写爱国爱港、教育融合、培育时代新人的实践篇章。
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