The ore-bearing rock is composed mainly of andesitic tuff and tuffite.
作者在赋矿层中首次发现了层状电气
。
The ore-bearing rock is composed mainly of andesitic tuff and tuffite.
作者在赋矿层中首次发现了层状电气。
The main kinds of rocks include carbonate rocks, tuffite, siliceous rocks and quartz sand-stone.
要类型包括碳酸盐、沈积凝、矽质和英砂。
声明：以上例
、词
分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
