yeokchujin jeomhwa
retrofire
allumage rétropropulsif
우주선의 역추진 점화가 성공적으로 이루어졌다.
ujuseonui yeokchujin jeomhwaga seonggongjeogeuro ilueojyeotda.
The retrofire of the spacecraft was successfully executed.
More words starting with 역
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