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In everyday life, it is very convenient to replenish water. However, in the outdoor complex environment, it is hard to guarantee the water replenishing.
The design of the cup is according to the bionic plant rhizome capillary principle. The rope is like the root of plants. It can absorb water in the soil and carry it into the cup.
Chunlei Shi Wei Shang Tianyu Li Xudian Guan