foundation ditch

• 基坑

foundation ditch的用法和样例：

例句

1. 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。
2. Earthwork workers are strictly forbidden to have rest in the foundation pit.
   土方施工作业人员严禁在基坑内休息。