首页 / 百科 / 内容详情 ()is an alloy of Cu-Zn. 2022-04-30 6次阅读 alloy CuZn An ()is an alloy of Cu-Zn. A.brassB.copperC.bronzeD.aluminum正确答案:brass The predominant alloying element of the stainless steel is() A wax or plastic die is appropriate for() 猜你喜欢