Crusti克鲁斯蒂crustn.外壳；坚硬的外壳；面包皮vt.盖以硬皮vi.结硬皮crustal stability地壳稳定性crustal heat flow地壳热流crustal thickness地壳厚度crustal structure地壳构造crustal uplifting地壳隆升crust on catalyst催化剂上的皮Crustulina stictan.斑点距跗蛛crustal spreading地壳扩张crustal abundance克拉克crustal component地壳成分