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ounce metal
construct.
铜
币
合金
met.
盎司
铸造铜
合金
(84 ~ 86Cu, 4 〜6Zn, 4 ~ 6Sn, 4 〜6Pb, < INi)
tech.
高铜黄铜
;
铜币合金
;
盎司铸造铜合金
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