mud and sand deposit

• 泥沙淤积

mud and sand deposit的用法和样例：

例句

1. The test shows the flow in the modified forebay is remarkably improved,the efficiency of the pump raised and the sludge deposit reduced.
   试验研究表明，改进后的前池水流流态明显改善，水泵运行效率得到提高，并有效减少了前池的泥沙淤积。