base of dam的用法和樣例：
例句
- Leakage in a dam foundation may sometimes be overcome by digging deep into it so as to build a cutoff wall into the foundation.
壩基漏水的現象，有時可以用深挖地基建造堵截水牆的辦法來克服。 - The soft foundation dam section has two cracks in the Flying gorge key WR project main dam near Changshuitang because of uneven settlement influence.
飛來峽水利樞紐右岸長水塘附近的軟基壩段因受壩基的不均勻沉降影響，產生了兩條橫向裂縫。
