etapa superior del tanque de propelente
/etˈapa sˌupeɾjˈoɾ ðel ˈtanke ðe pɾˌopelˈɛnte/
n
English: storable propellant upper stage · 可贮存推进剂上面级
Significado：Upper stage used to propel the payload toward its final orbit.
English: storable propellant upper stage · 可贮存推进剂上面级