地层柱状剖面图
- 网络columnar section;stratigraphic column;u Stratigraphic Column
地层柱状剖面图-
地层柱状剖面对比图软弱地质层桩基旋挖钻机钻孔施工工法
Construction Methods for Rotary Excavating Drilling Machine for Pile Foundation of Weak Geological Layer
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地层柱状剖面对比图这些化石的发现对重新厘定地层时代、进行区域地层划分及对比具有重要意义。
The discovery of these large vertebrate fossils has great significance for the redefinition of the stratigraphic age and regional stratigraphic division and correlation of the area .