advance borehole

例句：

1. 1. The engineer advancedthe borehole to a deeper level.
   工程师将钻孔推进到更深的位置。
2. 2. The constructioncrew advanced the borehole for the nextstage of work.
   施工队为下一步工作推进了钻孔。
3. 3. The drilling company advancedthe borehole to reach the target depth.
   钻探公司将钻孔推进到目标深度。