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紫铜 zǐtóng
hydroel.st. copper
met. red copper
plast. Cu
refrig. red brass
紫〔红〕铜
gen. copper
紫铜: 48 phrases in 13 subjects
Automobiles1
Ceramics1
Construction1
Earth sciences1
Electric machinery1
Exhibitions1
General2
Metallurgy7
Oil / petroleum1
Shipbuilding1
Technology28
Textile industry2
Wind Energy1