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complex ore
gen. 复合〔多金属〕矿
desert. 复合矿石
met. 复合矿; 多金属矿
tech. 综合矿石; 复矿 (石); 复合矿 (石)
complex ore
: 5 phrases in 2 subjects
Explosives and Explosive Ordnance Disposal1
Metallurgy4