... alloy tool steel合金工具钢 alluvial clay冲积黏土 alluvial deposits慢水流沉积物 ...
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... alluvial plain冲积平原,沉积平原... alluvial clay冲积粘土 alluvial layer冲击层 ...
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alluvial clay 冲积土; 冲积粘土; 冲积黏土..
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alluvial clay detail 冲积粘土
old alluvial clay 老冲积粘土
alluvial l clay 冲积黏土
Alluvial flat soft clay 河滩相软土
alluvial flat soft clay ground 河滩相软土地基
·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper has made a detailed description of the possible ways to raise the recovery of fine alluvial gold from clay-bearing alluvial ore.
本文就提高含泥细粒砂金的几种主要途径，进行了较翔实的论述。
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