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Activation: the metal surface passivation state disappear role.
活化：使金属表面钝化状态消失的作用。
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These bubbles collect on the surface of the work piece and interfere with passivation.
这些气泡聚集在工件表面上阻碍了钝化作用。
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These bubbles collect on the surface of the work piece and interfere with passivation.
这些气泡聚集在工件表面上阻碍了钝化作用。
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