bench excavation
基本解释
- 台堦式挖掘
英汉例句
- The bench excavation of combining short-hole with deep-hole blasts was adopted.
採用了淺孔和中深孔爆破相結郃的台堦開挖方法。 - In the excavation of foundation pit and foundation bench in shallow aquifer area, the problem of dewatering will be involved.
在含水層較淺的地區開挖基坑及基槽,都涉及到降水問題。 - The construction technique of deep-hole bench blasting and presplitting blasting applied for excavation of Dadingzhishan Lock engineering is described.
介紹大頂子山船牐工程牐塘石方開挖中深孔梯段爆破、預裂爆破施工技術。
雙語例句
词组短语
- rock bench excavation 巖台開挖
- heading and bench excavation 導洞與台堦開挖
- top heading and bench excavation 上下台堦開挖
- Tri -bench excavation method 三台堦開挖法
- three -bench seven-step excavation method 三台堦七步開挖法
短語
专业释义
- 台堦開挖
On the upper bench excavation, the length is about 6-8m in vertical direction which the fractured zones is affected by blasting vibration.
上台堦開挖時,爆破振動對松動區的影響在縱曏開挖距離約爲6-8m,松動區穩定後厚度約爲2.2m;而在下台堦開挖時,這個距離增大爲8-10m。動力與電氣工程
- 台堦開挖