deep and thick alluvium是什么意思 deep and thick alluvium怎么读
deep and thick alluvium的相关资料
deep and thick alluvium的用法和样例
- The mine shaft sinking with a mine shaft drilling is a reliable mine shaft construction method to pass through a deep and thick alluvium.
钻井法凿井是通过深厚冲积层最可靠的竖井施工方法。
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