古侵蚀沉积间断面型金矿是桂西的主要金矿床类型。

Palaeoerosion sedimentary discontinuity type gold deposit is major type gold deposit of western Guangxi.

youdao

古侵蚀沉积间断面型金矿是桂西的主要金矿床类型。

Palaeoerosion sedimentary discontinuity type gold deposit is major type gold deposit of western Guangxi.

youdao