一种黄色的铜锌合金，有时含少量其他金属，但通常为' 7%的铜和33%的锌。
A yellowish alloy of copper and zinc, sometimes including small amounts of other metals, but usually '7 percent copper and 33 percent zinc.
一种黄色的铜锌合金，有时含少量其他金属，但通常为' 7%的铜和33%的锌。
A yellowish alloy of copper and zinc, sometimes including small amounts of other metals, but usually '7 percent copper and 33 percent zinc.
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