earth - rock dam的用法和樣例：
例句
- Bituminous concrete facings for earth and rockfill.
土石壩的瀝青混凝土面層。 - In condition of meeting dam safety and structural requirements of the premise,how to optimize dam material subarea to save investment is an important issue.
在滿(mǎn)足壩體安全及結構要求的前提下，如何進(jìn)行壩料分區設計以節省投資是高土石壩設計的重要課題。
