English translation for "第一级助推"

first-stage boost

Similar Words：

"第一级预防" English translation, "第一级原子" English translation, "第一级运载火箭" English translation, "第一级蒸发器" English translation, "第一级蒸汽过热器" English translation, "第一级转报站" English translation, "第一级转变" English translation, "第一级子程序" English translation, "第一技术部" English translation, "第一季" English translation