Liyang, examination room.

Zhang Han sipped the hot tea, refreshed. Ever since he developed the Connecting Machine, he has been idle in an instant. Although he was also responsible for the development of water wheels and water drains, the difficulty was greatly reduced. So he simply handed over the job to his younger brother Zhang Ping, and he himself was behind the scenes.

Only when there is a problem, will you come forward.

In addition, spring plowing is approaching, and the examination office is also responsible for repairing agricultural tools. Like the zigzag plough and the cocoon car, they all have to be

"Da Qin: Picking Up the Eight-Year-Old First Emperor at the Beginning" Chapter 304 Good Things, Put Shoes on Horses! I am hitting it in my hand, please wait a moment,

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