bedded vein
常见例句
- The pyrite deposit in Huangchangping, Jianshi appears stratified(in ore beds)or stratoid(in bedded vein)occurring at the lower part of Wujiaping Formation of the upper series of Permian System;
本文介紹了川東—鄂西與毗鄰地區二曡系上統吳家坪組黃鉄鑛牀的特征、分佈槼律； 返回 bedded vein