Step rocket
volume
British pronunciation/stˈɛp ɹˈɒkɪt/
American pronunciation/stˈɛp ɹˈɑːkɪt/

"step rocket"의 정의 및 의미

Step rocket
01

a rocket having two or more rocket engines (each with its own fuel) that are fired in succession and jettisoned when the fuel is exhausted

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