The vacuum filled with Ether particles, when the force reached a balance Ether particles form "Ideal vacuum" as the structure of diamond.
真空中充满了以太粒子，当以太粒子达到受力平衡时形成了具有金刚石结构的理想真空。
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Working principle: when the internal piping and tank vacuum, atmospheric pressure will be the valve cover, air enters the system, balance the system pressure, eliminate the effect of vacuum.