来源：
https://digitalpaper.stdaily.com/http_www.kjrb.com/kjrb/html/2020-10/14/content_454999.htm?div=-1
https://www.space.com/international-space-station-20-years-commercialization.html
https://www.space.com/nasa-investigates-air-leak-on-space-station.html
蓝天白云mmty
航天大业，诸雄争锋。 剑指苍穹，唯我天宫。✊️