Chapter 91: Papermaking Ice-Making Method

er to remind her."Good!"Li Yuxi lightly bit her pearly teeth, forcefully squeezing out this single word.When she turned around, Li Yuhua found that everyone else's faces, just like hers, were showing...as well."Wang Gui took the drawing and couldn't help but be taken aback."This... on the water mill""That's right!"Just by replacing these two parts, the water mill's efficiency can be increased by 50%...