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来源:雅诚德英语网
Ausmelt 's top submerged lance technology is an established continuous process for smelting lead sulphide concentrates.
奥斯麦特顶吹浸没式熔炼技术是一个成熟的铅精矿连续熔炼工艺。
Ausmelt 's top submerged lance technology is an established continuous process for smelting lead sulphide concentrates.
奥斯麦特顶吹浸没式熔炼技术是一个成熟的铅精矿连续熔炼工艺。