[摘要] [db:bd_t1][db:baidu1][db:baidu2][db:baidu3][db:bd_t2][db:baidu4][db:baidu5][db:baidu6][db:bd_t3][db:baidu7][db:baidu8][db:baidu9] “长征5号”失败的调查结果是什么? “长征5号”失败的调查结果是:一级yf77发动机一
[db:bd_t1]
[db:baidu1]
[db:baidu2]
[db:baidu3]
[db:bd_t2]
[db:baidu4]
[db:baidu5]
[db:baidu6]
[db:bd_t3]
[db:baidu7]
[db:baidu8]
[db:baidu9]
“长征5号”失败的调查结果是什么?
“长征5号”失败的调查结果是:一级yf77发动机一个爆炸(原因可能是液氧氧化涡轮泵,造成涡轮泵停车),一台发动机紧急加大推力调偏,并延长一二级分离时间,但因只有一台发动机工作,推力不够,还是导致火箭速度和高度下降,。
长征五号失败调查
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