"Mr. Hui Wenji, all the things needed for the telegraph relay station have been prepared yesterday, Tai originally planned to get the academy's broadcast and then set off for the state, but I didn't expect this first experiment to be so successful, so Tai plans to leave tomorrow, the matter of the telegraph relay station is related to the victory or defeat of the war between the Tang Dynasty and the Turkic countries, and it cannot be delayed!"

Yan Huang Academy. In a teaching house in Guanghua Building, Li Tai replied to Li Gang.

Li Gang is not

Chapter 1728 of "The Engineering Otaku Mixed in the Tang Dynasty" Borrow from the sky for another few decades! I am hitting it in my hand, please wait a moment,

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