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再生稀有金属
释义
再生稀有金属
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工学
再生金属冶金
释
recycled rare metals
再生稀有金属
从二次资源中重新冶炼出的稀有金属。其原料为各种矿山及冶金废渣、废液、烟尘、工业废渣和废催化剂、废合金、废半导体、废电子元器件等。
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drainage tube
drainage volume standard
drainage water quality standards
drain diffusion
drain ditches in the field
drain [electrode]
drain electrode
drainer
draining of pipeline
draining south and supplementation north method
drain pump house and sump
drain regulating valve
drain valve instrument
drain water pipe of boiler
drain water seal
Drakensberg
Drake Passage
Drake's Well
Drak Yerpa Dongkuqun
DRAM
Drama
drama
drama-actor’s training
Drama and Film
Drama and Film Monthly
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