crusta甲壳
crustn.外壳;坚硬的外壳;面包皮vt.盖以硬皮vi.结硬皮
crust-mantle petrological structure壳幔岩石学结构
crustal or lithospheric contamination地壳或岩石圈混染作用
crust-derived abiogenic hydrocarbons壳源非生物成因烃类气