exposure hole

例句：

1. 1.The engineer carefully measured the dimensions of the exposure hole before drilling.
   工程师仔细测量了暴露孔的尺寸，然后才进行钻孔。
2. 2. The construction crew had to excavate a large exposure hole to access the underground pipeline.
   施工队不得不挖掘一个大的暴露孔以进入地下管道。
3. 3.The safety inspector inspected the exposure hole for any signs of damage or leaks.
   安全检查员检查了暴露孔是否有损坏或泄漏的迹象。