étage à propergol stockable
/ˈpat də- ˈkɔk/
n
English: storable propellant upper stage · 可贮存推进剂上面级
English · storable propellant upper stage中文 · 可贮存推进剂上面级Español · etapa superior del tanque de propelente
Sens：Upper stage used to propel the payload toward its final orbit.