短語詞組短語oceanic c crust 海洋地殼;大洋地殼oceanic cobalt crust 富鈷結(jié)殼oceanic crust belt 洋殼帶paleo -oceanic crust 古洋殼oceanic crust research 大洋地殼研究oceanic crust type 大洋殼型oceanic crust subduction 洋殼俯沖remainder oceanic crust 殘余洋殼pristine oceanic crust 古洋殼 返回 oceanic crust