新型运载火箭将由飞船助推火箭、燃料箱、主发动机以及月球火箭发动机组成。

They would be built from shuttle booster rockets, fuel tanks and main engines, as well as moon rocket engines.

youdao

新型运载火箭将由飞船助推火箭、燃料箱、主发动机以及月球火箭发动机组成。

They would be built from shuttle booster rockets, fuel tanks and main engines, as well as moon rocket engines.

youdao