r-16 rocket
r-16火箭
以上为机器翻译结果,长、整句建议使用 人工翻译 。
It was on this day 50 years ago when the launch of a prototype rocket known as the R-16 went seriously wrong.
五十年前的这一天,R - 16火箭原型的发射出现严重错误。
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