soil - saving dam

• 淤地坝

soil - saving dam的用法和样例：

例句

1. Silt dams play active and important role in conserving soil and water.
   黄土高原淤地坝在拦沙减蚀方面发挥着重要作用。
2. Then this paper discusses the principle for warping dam system design by way of the thinking of system theory.
   同时结合系统论相关原理分析了淤地坝系的特点，并建立了坝系层次概念模型。