thick alluvium 厚冲积层 ; 厚松散层
deep thick alluvium 深厚冲积层
special thick alluvium 特厚冲积层
extremely thick alluvium 巨厚冲积层
deep and thick alluvium 深厚冲积层
thick alluvium covered area 冲积覆盖层
The freezing method became the preferred shaft sinking method when constructing in thick alluvium and unstable aquifer.
冻结法已成为深厚冲积层及不稳定含水层的首选施工方法。
The mine construction technology in deep and thick alluvium associated with the practical situation of Juye Zhaolou mine are talked about and summarized in this paper.
本文结合巨野矿区赵楼矿井实际建设情况对深厚冲积层建井技术进行了探讨和总结。
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