Metadata
Author: ParaCrawl Corpus
Data
English[en]
The second and more popular method is to drill the hole initially down to the watertable using an auger slightly larger than the casing OD and then install the casing.
Chinese[zh]
第二和比较流行的方法是钻孔最初下降的地下水位使用螺旋比套管外径略大一些,然后安装套管.