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What is the working principle of a vacuum bottle?
Apr 17, 2018

What is the working principle of a vacuum bottle?

There is a movable tray in the vacuum bottle without a pipe, and it is used continuously until it is used to the top of the bottle.


Open the press head, push the tray to the lower part, and then rinse again and again, and the pressure head should be repeatedly pressed with water until clean.


After the water is removed, it can be filling with the skin care products. If not fill to the full, the bottom will also lift when the button is pressed continuously, until the skin care product is pressed out, so it can be used normally.

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