砂金矿 meaning in English
gravel mine; placer mine; gravelmine
◇砂金矿挖掘船开采 gold dredging
Examples
- The cyclones with short cone are used for crude grading of minerals with heavier specific gravity in gold mines , sand gold mir . es and sulphur ore mines and have such advantages as small ground occupation , high capacity , high operating flexibility , low energy consumption and high movability etc
短锥分选旋流器用于金矿、砂金矿、硫化矿等比重较大的矿物的粗选作业，具有占地面积小，处理能力大，操作弹性大，能耗低，可移动性强等优点。