Military Engineer: If I Ask You to Repair a Cannon, Will You Increase Its Power a Hundred Times?

Traveling through parallel worlds, Long Chen uses super future technology to lead Daxia to the top of the world

[No CP+black technology+beat+dimensional reduction strike]

When he woke up, Su Yan traveled to the Daxia Jianguochu of the parallel world.

The carry-on system will copy the complete set of military maintenance and modification solutions that transcend the era to this era of being in ruins!

From then on, with the help of Long Chen, Daxia began to be unprecedented...