After the Apollo 1 disaster, NASA required writing instruments that wouldn't burn in these conditions.

在阿波罗一号的惨剧发生后，美国航天局规定书写工具不得在无氧环境中燃烧。

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After the Apollo 1 disaster, NASA required writing instruments that wouldn't burn in these conditions.

在阿波罗一号的惨剧发生后，美国航天局规定书写工具不得在无氧环境中燃烧。

youdao