tungsten concentrate meaning in Chinese

钨精矿砂

Technical requirements for tungsten concentrate
钨精矿技术条件
Methods of sampling and sample preparation of tungsten concentrates in bags
包装钨精矿取样制样方法
Methods for chemical analysis of tungsten concentrates - the edta volumetric method for the determination of calcium content
钨精矿化学分析方法edta容量法测定钙量
Methods for chemical analysis of tungsten concentrates - the gravimetric method for the determination hygroscopic moisture content
钨精矿化学分析方法重量法测定湿存水量
Methods for chemical analysis of tungsten concentrates - the potassium iodate volumetric method for the determination of tin content
钨精矿化学分析方法碘酸钾容量法测定锡量

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