Originally, Jiang Lang didn't have to do this.

At this time, Jiang Lang did not go to the so-called masters, but relied on his own memories to paint about advanced spinning wheels.

The mechanical one may not have the strength to do it, but if it is an improved version of the spinning wheel, it is still very simple for himself.

For so many years, I have traveled south and north to see a lot of knowledge, which is simply a piece of cake.

......

Chapter 173 of "The Strongest Rebel in the Tang Dynasty" Your condition has worsened You are hitting with your hand, please wait a moment,

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