The free surface responses of a fluid in a rigid fluid-filled container due to external excitation have many engineering applications.
受外激励的充液刚性容器中流体的波动问题有实际的工程应用背景。
Inhalation tube not filled with liquid, the pump through the role of automatic exhaust fluid, adapted to extract from the ground container liquid.
吸入管内未充满液体时，泵通过自动抽气作用排液，适应于从地下容器中抽提液体。
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