waste rock
英 美
The miners muck the waste rock every other day.
矿工每隔一天清除一次矸石。
In the waste dump, the Abstract is linked with the winch working Laoqin drivers turn waste rock.
在矸石山下，摘挂工老秦正配合着绞车司机在翻矸石。
The discharge system for the belt conveyance of the waste rock in the mine well solves these problems.
矿内输送带运输矸石排放系统有效地解决了这些难题。
