单词pisolite
n.: 豆石;豆石沉积岩网络: 豆粒;豆岩;褐铁矿
泥球
铁子
豆状石灰石
〔矿〕豆石
豆石沉积岩
Design and construction of pisolite grouting in No. 1 Tunnel for North Trunk Line of Wanjiazhai Yellow River Delivery Project
万家寨引黄工程北干线1#隧洞豆砾石灌浆设计与施工