preboring
初步钻探
初勘
例句
In this paper, taking the case of Harbin subway first-stage project as examples, the site operation, results analysis and application of preboring lateral loading test in metro project are introduced.
本文通过哈尔滨地铁一期工程的实例,介绍了预钻式旁压试验在工程中的现场操作,成果分析及应用。