crustn.外壳;坚硬的外壳;面包皮vt.盖以硬皮vi.结硬皮
crust materials壳源
crusted scabies结痂性疥疮
crustal recycle地壳再循环
crustose lichen壳状地衣
crust resources“壳”资源
crustal warping地壳翘曲
crustacean meal甲壳类饲料粉
crusted pottery釉制陶
Crustalmovement地壳运动
crustal province地壳省