?单级火箭
... multi-stage rocket 多级式火箭 single stage rocket 单级火箭 ; 单节火箭 two-stage rocket 双节火箭 ...
?单节火箭
航 单级火箭
单节探空火箭
单级入轨火箭
Pyongyang used missile technologies passed on by the former Soviet Union during the Cold War to build a single-stage rocket, the Nodong, as well as the longer-range Taepodong missile system.
WSJ: Tests Point to Spread of Weapons Trade
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