The way of zero flow acquisition is finished.
完成了获取零流量的方法。
With the lowest flow resistance (virtually zero).
具有最低的流阻(实际上为零)。
When the flow is zero, "circular flow" the strongest, the highest lift.
当流量为零时，“环形流动”最强，扬程最高。
When the flow is zero, "circular flow" the strongest, the highest lift.
当流量为零时，“环形流动”最强，扬程最高。
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