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DB process
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DB process
Encyclopedia
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铜冶金
释
Outotec direct to blister copper process; DB process
奥图泰直接炼铜法
以辉铜矿、斑铜矿等特殊类型低铁铜精矿为原料,采用奥图泰型闪速炉熔炼,一步生产粗铜的技术。
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offset-locked laser frequency stabilization
offset observation
offset paper
offset printing
offset proofing
offset rational curve
offset rings
offsetting
offshoot
offshore breakwater
offshore development of oil and gas
offshore engineering
offshore engineering structure
offshore enhancement and aquaculture engineering
offshore fishing
offshore gas well string
offshore installations
offshore marginal oil and gas fields
offshore microbes
offshore minimal platform
offshore minimal platform abroad
offshore minimal platform in China
offshore oil and gas development mode
offshore oil and gas production and gathering system
Offshore oil and gas storing and transmission system
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