“岩脉”造句
边界清楚的
岩脉, 岩床及岩瘤等都常见.
Sharply outlined dikes, sills and bosses occur in numbers.
岩脉总体型式可以作理论模似.
The gross pattern of dikes can be duplicated theoretically.
这是与小
岩脉群有关的准经济意义的矿化.
This is subeconomic mineralization related to minor dyke swarms.