grain grade
短语词组
- grain size grade 粒度等级;粒级
- grain grade structure 粒级结构
- grain n size grade 粒度等级
- grain -size grade 粒径级
- diamond grain grade 金刚石粒度
- grain grade adapt 颗粒级配
- off grade grain detail 等外种子
- nanometer -grade grain 纳米级颗粒
- off grade grain 等外种子 返回 grain grade