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。
Externally pale brownish-yellow or pale brown, with irregular, longitudinal wrinkles, cork easily exfoliated, exposing yellowish-white cortex, sometimes showing reticulated fibre bundles.
表面为浅棕黄色或浅棕色，有不规则纵皱纹和众多横长皮孔样突起，栓皮易剥落而露出黄白色皮部，有时可见网状纤维束。
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