copper gold造句
造句与例句
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- Nickel - chromium gold - iron , copper gold - iron low temperature thermocouple wires and their reference tables
镍铬-金铁,铜-金铁低温热电偶丝及分度表 - Fluid ore - forming system ; forming conditions of ore deposit ; metallogenesis ; copper gold deposit ; the middle and lower reaches of the yangtze river area
成矿流体系统成矿条件矿床成因铜金矿床长江中下游中图分类号： - It's difficult to see copper gold in a sentence. 用copper gold造句挺难的
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