It shows that these new type high efficiency drum magnetic separators play an important role in improving mineral processing efficiency and economic benefit.
工业应用和试验表明，这些新型高效磁选设备对于提高选厂的选矿效率，增加企业经济效益起了重要作用。
It shows that these new type high efficiency drum magnetic separators play an important role in improving mineral processing efficiency and economic benefit.
工业应用和试验表明，这些新型高效磁选设备对于提高选厂的选矿效率，增加企业经济效益起了重要作用。
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