他说，假如你用这样的采金锅需要三到四天，但是如果你有便携式的洗矿槽，淘洗同样数量的矿砂只要一天就够了。
Three to four days if you stuck with a pan, he reckoned, but with a portable sluice box you could process the same amount of gravel and material in a single day.
槽式洗矿机是铝土矿脱泥的关键设备。
The troughed ore washer is a key equipment used for desliming the bauxite ore.
环球重工螺旋槽式洗矿机的处理能力较大，是满足大生产力对矿石、石料的清洁度有要求的企业的理想设备。
Universal dhi spiral groove ore washing machine processing power is bigger, is to satisfy large productivity of minerals, stone of cleanness of the request of enterprise ideal equipments.
环球重工螺旋槽式洗矿机的处理能力较大，是满足大生产力对矿石、石料的清洁度有要求的企业的理想设备。
Universal dhi spiral groove ore washing machine processing power is bigger, is to satisfy large productivity of minerals, stone of cleanness of the request of enterprise ideal equipments.
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