Can I refill the thermos?

Secondary water injection can be carried out, and the specific operation method is as follows:

1. Find the water injection hole where the hot water reaches.

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2. pry open the water injection hole of the thermos bottle and take it out.

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3. Then prepare an empty syringe.

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4. Add a proper amount of water to the empty syringe.

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5. Finally, insert the syringe into the water injection hole of the charging thermos bottle and push out the water in the syringe.

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