The rift valley over the axial part of an oceanic ridge is the accreting plate boundary.

洋脊中轴裂谷是板块的创生边界，是与地球内部联系最紧密的地表区域之一。

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The rift valley over the axial part of an oceanic ridge is the accreting plate boundary.

洋脊中轴裂谷是板块的创生边界，是与地球内部联系最紧密的地表区域之一。

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