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单词 roundness grade
释义
roundness grade
  • 简明释义
  • 圆度等级
  • 网络释义
  • 1

    ?圆度等级

    ... 圆度 roundness 圆度等级 roundness grade 圆砾 roundstone ...

  • 双语例句
  • 1
    All sand grains are quartz sands. Sorting and roundness and sphericity of particles are in good grade-level. Quartz sands are scattered in microcrystalline dolomitic sands in floating state.
    岩石中的石英砂分选好,圆度和球度高,它们时稀时密地呈“悬浮”状散布在白云石砂屑沉积物中。
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更新时间:2025/1/10 11:48:54