wet excavation

• 湿挖方,湿开挖,湿挖

wet excavation的用法和样例：

例句

1. It is a very difficult problem of overbreak in tunnel excavation.
   超欠挖一直是隧道开挖中遇到的一大难题。
2. Dewatering is always necessary in foundation pit excavation and hand dig piles.
   基坑开挖或施行人工挖孔桩常常需要进行人工降水。