基本解释[土木建筑工程]石碴坝英汉例句双语例句Sandstone, mudstone and limestone rock-debris have a very wide distribution and are very frequently used as dam materials in Sichuan Provi- nce.砂岩、泥岩和灰岩石碴料是四川省分布广，使用最多的几种坝料。rock debris dam更多例句专业释义土木建筑工程石碴坝