07 May 2021
Maintenance and repairs can ensure the technological upgrade and long-term, reliable operation of the Chinese Space Station. Designers prepared in-orbit fault diagnosis, response plans, and maintainability design. Spare parts will be stored on board the CSS to be available if needed. Also, software updates can be uploaded via fast-speed space-ground link. The space station has a health sub-system to ensure long service life, including monitoring the payloads and station's structural state in real time, locating space debris, and sending alerts to ground and astronauts for quick response. The sub-system can also monitor the pressure inside the cabin and send alerts at different levels according to various pressure indicators.
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