他们开出一个富铁矿层。

They struck a rich seam of iron ore.

《牛津词典》

这里有开采价值的矿层。

There is a pay streak here.

youdao

地面是水平的，不容易连续地追踪此矿层。

The country is level and it is not easy to follow the magnetite seams continuously.

youdao

地面是水平的，不容易连续地追踪此矿层。

The country is level and it is not easy to follow the magnetite seams continuously.

youdao