东部地形复杂，坡度较陡，岛屿众多，海底是褶皱的元古代沉积岩和太古代结晶岩。
East complex terrain, a steep slope, numerous islands, is the fold of the seabed Proterozoic sedimentary rocks and too ancient crystalline rock.
东部地形复杂，坡度较陡，岛屿众多，海底是褶皱的元古代沉积岩和太古代结晶岩。
East complex terrain, a steep slope, numerous islands, is the fold of the seabed Proterozoic sedimentary rocks and too ancient crystalline rock.
应用推荐