Based on the molecular motion characteristics of liquid in low temperature, the paper presents the equations for specific pressure for sealing liquid in low temperature.
本文根据液体在低温状态下，分子运动的特性，提出了低温密封液体的比压计算公式。
Safety seal: through the incorporation of a low specific gravity barrier fluid at a higher pressure than the pumped fluid, it guarantees a no leakage sealing action.
安全密封：通过并入比泵流体压力更高的低密度阻隔液，保证了没有泄漏发生。
Safety seal: through the incorporation of a low specific gravity barrier fluid at a higher pressure than the pumped fluid, it guarantees a no leakage sealing action.
安全密封：通过并入比泵流体压力更高的低密度阻隔液，保证了没有泄漏发生。
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