可贮存推进剂上面级
/ˈstɒp ˈbaθ/
n
English: storable propellant upper stage · 可贮存推进剂上面级
English · storable propellant upper stageEspañol · etapa superior del tanque de propelenteFrançais · étage à propergol stockable
释义：Upper stage used to propel the payload toward its final orbit.