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The development sources of vacuum Vacuum flask
Sep 30, 2017

There are three ways to transmit heat: radiation, convection and transmission. The silver cup gall bladder can reflect the radiation of hot water, cup gall and cup body vacuum can block the transmission of heat, and not easy to transfer the heat of the bottle can prevent thermal convection. The thermos flask, also applies the principle of magnetized water, is in the bottle bottom and the cap plus the magnet, causes the water to be magnetized.

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