Geology and construction conditions的意思|示意

This is the feedback of the seepage cutting concrete wall construction materials after masonry drills boring and casting underwater in the conditions of Quaternary geology.

这是第四纪地质条件下经冲击钻造孔并进行水下浇筑混凝土防渗墙工程资料的反馈。

The results show that some terms such as the importance of the engineering, geology and hydrologic conditions have critical role to employ which construction method in big span tunnel;

大跨隧道所处工程地质和水文地质条件； 施工安全等对施工方法的选择具有决定性的影响；