gold mine

That Internet cafe of his is a real gold mine.

他开的那家网吧真是棵摇钱树。

By the engineering checking of the selected target section we found the gold mine in both prospecting trench and randing, and gained 1.5t gold resource.

通过对优选靶区的工程查证，探槽、浅井双双见，共获得黄资源量1.5。

A series of laboratory cementing experiments on the total tailings from a gold mine in Shandong Province were conducted by use of ordinary cement and polyhydrate material as binding materials.

摘要分别采用普通水泥和高水单浆料为胶结材料对东某全尾进行了胶结对比试验。