ditrigonal bipyramid

  • un.复三方双锥

ditrigonal bipyramidditrigonal bipyramid

ditrigonal bipyramid

复三方双锥

汉英地质学名词3 - 豆丁网... ... 复六方双锥||dihexagonal bipyramid 复三方双锥||ditrigonal bipyramid 复稀金矿||polycrase ...

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