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黑铜矿 hēitóngkuàng
met. black copper; tenorite (CuO)
oil tenorite
steel. melaconite
黑〔氯〕铜矿
gen. marcylite
黑铜矿 hēitóngkuàng
met. melaconite (CuO)
黑 铜 矿
: 11 phrases in 3 subjects
General6
Oil / petroleum2
Technology3