被称为脊中壁炉的棚屋位于加拿大西部省份亚伯达的南部丘陵地带。
Called Carriag Ridge Fireplace, the shelter is located within the foothills of southern Alberta, a western province in Canada.
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。
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。
The rift valley over the axial part of an oceanic ridge is the accreting plate boundary.
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