Swing Check valves prevent reversal of flow through pipe lines.

旋启式止回阀可以防止管路中的流体倒流。

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Swing check valves are used to prevent reversal of flow in horizontal or vertical pipe lines.

旋启式止回阀用于防止水平管路或垂直管路的流体倒流。

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Es is caused by long-standing left-to-right shunt lesions, which induce pulmonary vascular changes, resulting in reversal of the shunt flow.

ES是由长期左向右分流引起，该左向右分流诱导了肺血管改变，导致分流方向逆转即右向左分流。

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Such a radical reversal in the flow of funds is bound to be controversial.

FORBES: Magazine Article

Rather than achieve a higher equilibrium for AdWords a lower one was created, forcing the reversal of the Panda change and thus allowing the organic love to flow once more.

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Adoption of new policies enforcing private property rights, facilitating the start of new business, decreasing the number and time of bureaucratic procedures, all this can lead to reversal in capital flow figures.

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