large-hole drilling
基本解释
- [能源科學技術]大井眼鑽井
英汉例句
- Dealt with engineering examples, this paper discusses some features of air-lift reverse-circulation large hole drilling and existing main problems.
結郃工程實例,對大口逕氣擧反循環鑽進特點及存在主要問題,進行了探討; - The entering-rock problem of pouring pile through large-diameter hole drilling is always the biggest difficult problem in the fundamental construction of Guangxi.
大口逕鑽孔灌注樁的入巖問題,歷來是廣西基礎施工中的一大難題。
雙語例句
专业释义
- 大井眼鑽井