The operating principle of three--vane external circulating current piston pump was studied and the conditions of liquid seal and non--interferrence of the pump were got.

通过对三叶外环流活塞泵工作原理的研究，得出了它的封液条件和不干涉条件，并给出了设计方法和有关公式。

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The motion equations of sealed liquid and magnetic liquid which is considered to be non-Newton fluid in magnetic liquid seal were solved respectively and their speed distributions were got.

分别求出了磁液动密封中磁液和被密封液体的速度分布，特别是磁液作为非牛顿流体运动方程的解，并计算了两相液体界面的速度差。

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Once the pan is really hot I drop the food in, turn it quickly to seal and then add the cooking liquid I am using.

等到锅加热到一定程度，才把食物放进去，快速地翻动它使它很快炸熟，然后加上我要用的酱油调味。

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