"But in this way, the ratio of the volume mass and inference of the rocket will be unbalanced again!"

"After all, it's too scary to support the fuel needed for the rocket's round trip!"

"Look at the spacecraft that landed on the moon in Great Xia, even the launch vehicle was bringed! What does this mean!? ”

This shows that the spacecraft of Daxia can be reused! But that's not the point, repeatable launch vehicles, SPX is the forerunner! ”

"The aircraft carriers are all launched, and you still say it's a toy?" Chapter 169 is in the middle of the hand, please wait a moment,

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