Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/290909fbbda43eebbf4bd1528595a9e5.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 rock debris dam是什么意思,rock debris dam的翻译,rock debris dam音标、读音、用法和例句_按摩法牛津词典
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。