classification of surrounding rockrnass
英
美
- 围岩分类
双语例句
- Surrounding rocks classification plays a determinative role in the design and construction of tunnels.
摘要围岩分类对于隧道设计和施工起着决定性的作用。 - On the basis of the past schemes, new classifications of pyroclasts and the petrographic as well as the petrogenetic classification of pyroclastic rocks are proposed in this paper.
中国学者提出的火山碎屑岩分类时间较早，有自己特色，在一定的范围得到了应用。
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