根据铧厂沟金矿矿体的开采技术条件，选用了浅孔留矿采矿法回采。

According to the technical mining condition in Hua Changgou Gold Mine, the short hole shrinkage mining was chosen.

youdao

根据铧厂沟金矿矿体的开采技术条件，选用了浅孔留矿采矿法回采。

According to the technical mining condition in Hua Changgou Gold Mine, the short hole shrinkage mining was chosen.

youdao