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小统哥9888
铜合金[词典][冶]copperalloy;pinkusmetal;aldary;[例句]研究了一种柠檬酸盐体系电镀锡镍铜合金新工艺。Anewtechnologythatthetin-nickel-copperalloydepositioncanbeelectroplatedinthecitrateacidsystembathwasintroduced.
听雨轩808
铜合金 Copper alloy参考：
香雪海Jackie
*************************"copper alloy" is right.example:There are as many as 400 different Copper and Copper-alloy compositions loosely grouped into the categories: Copper, high Copper alloy, Brasses, Bronzes, ...
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