Boy!

After listening to Xu Sanfat's analysis, Su Xuan was immediately shocked.

This is gunpowder!

I didn't think of the name of gunpowder, but it was actually given by Xu Sanpang.

"Haha, yes, yes, this kind of thing will be called gunpowder in the future!" Su Xuan said.

"Hey,......

Chapter 759 of "Under the Nine Thousand Years Old" You will be a few percent is in the middle of the hand, please wait a moment,

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