Of course, this thought was only fleeting.

Although now that there is a steam engine, the production of steel is also good.

But the problem is to build a new thing, and there are bound to be all kinds of problems.

From building the model machine to the practice, to laying the railroad tracks, etc., it was a much bigger project.

Just think about it now.

Zhu Di now wants to move the capital and wants to go north.

......

"Da Ming: Many sons and many blessings at the beginning, old Zhu is numb" Chapter 609 Listen to people's advice to eat a full meal is in the middle of the hand, please wait a while,

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