短语词组短语mid d oceanic ridge 洋中脊mid -oceanic E ridge 大洋中脊Arctic Mid -Oceanic Ridge 北极海中央海岭mid d oceanic ridge basalt 中央海脊玄武岩mid oceanic ridge basalt 中央海脊玄武岩;中心海脊玄武岩Faulting Model of Mid -Oceanic-Ridge 洋中脊断裂模式 返回 mid oceanic ridge