deep level excavation
常见例句
- The paper elaborated the application of level deep-hole blasting for excavation project in city.
闡述了水平深孔爆破在城區石方開挖中的應用，竝初步探討了水平孔爆破的破巖機理。 - In this paper, it is elaborated for the application of level deep - hole blasting in excavation project. The construction method and technique economy is analyzed.
闡述水平深孔爆破在城區石方平基和溝槽等爆破開挖中的應用，竝就施工中的方法和技術經濟指標進行了分析比較。 返回 deep level excavation