Step nine: Breathe out through left nostril.

第九步：用左鼻孔出气。

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Through this manifold center, nine Wells are connected and controlled.

这种集合管路中心可连通和控制九口油井。

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Through this manifold center, nine Wells are connected and controlled.

这种集合管路中心可连通和控制九口油井。

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