“astronaut life-support assembly”的概念、定义、翻译、参考文献-科学参考

单词	astronaut life-support assembly
释义	astronaut life-support assembly Space Exploration An extravehicular activity pack introduced for Skylab astronauts. It was worn on the chest and connected to the spacecraft by an umbilical cord device. The ALSA regulated an astronaut's oxygen, water, and electrical power received from the spacecraft.
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