中文说明:Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiralCornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiralCornu_spiral Cornu_spiral
English Description:
Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiralCornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiral Cornu_spiralCornu_spiral Cornu_spiral