Some cosmetics that people use now are airless bottles that are pressed by more people. When using them, they only need to press a few times to come out, and then they can be accumulated in the palm of their hands. Then this kind of bottle is reliable. What principle can squeeze something out, and w
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It is filled with a vacuum filling machine.The vacuum filling machine is a machine that fills the bottle when the pressure in the bottle is lower than the atmospheric pressure. It uses continuous vacuum suction to pump the product into the container. The continuous suction is connected to a vacuum c
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When the airless bottle is in use, hold down the top, and the bottom piston will run up to squeeze out the contents. When the contents of the bottle are used up, the piston will go to the top. When the piston reaches the bottom, the vacuum bottle can be removed. Disassemble the pump head and other p
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