Mu Chuan, the prince of Yunnan Qianguo, returned to Daming with black technology.

Do you have a redcoat cannon? I have mortars!

Do you have invincible cavalry? I have a tank of ten million?

Daming has black technology, and the earth will tremble!

Nitrocellulose, picric acid, mercury thunderate, Mu Guogong walked sideways.

"Carrying AK to the Ming Dynasty" pushes the book "Saving the Ming Dynasty" is in the middle of the hand, please wait for a while,

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