龙井市金谷山金矿床是近几年在延边地区新发现的中大型金矿床。

The Jingushan gold deposit is a new explored middle-large deposit in Yanbian district.

youdao

龙井市金谷山金矿床是近几年在延边地区新发现的中大型金矿床。

The Jingushan gold deposit is a new explored middle-large deposit in Yanbian district.

youdao