短语词组短语mantle magmatic rock 地幔岩浆mantle of rock 表皮岩;风化层;表土层Mantle asthenosphere rock 软流层岩石mantle source rock 幔源岩mantle -derived rock 幔源岩石mantle of original rock 风化源岩upper mantle rock 上地幔岩alluvial mantle rock 风化岩 返回 mantle rock