Often the process of general mining and coal washing plant from the production process of waste rock called gangue.

一般常将采煤过程和洗煤厂生产过程中排出的矸石叫煤矸石。

youdao

It is mainly applied to blasting operation of general mining, tunneling, road-building, bridge-construction and building water conservancy projects.

主要用于一般采矿、开凿隧道、筑路修桥、兴建水利等爆破作业。

youdao

Gladys Bejerano, the comptroller-general, has had dozens of employees in the sugar, mining, telecom and tobacco industries jailed for graft.

总监察官Gladys Bejerano已经把几十名蔗糖、采矿、电讯和烟草行业的行贿者投入监狱。

youdao

If that claim is on public land, absolutely nothing according to the General Mining Act of 1872.

FORBES: Connect

"These sands are mineralized, " says Andrew Denton, general manager of mining at RBM.

CNN: South Africa dune mining whips up sandstorm

In fact, Chen Zhengli, Secretary General of the Mining Machinery Branch of the Construction Machinery Industry Association, predicts that the local companies will account for 50% of the excavator market in China within five years.

FORBES: The Battle For China's Construction-Machinery Market