常见例句Aluminum alloy; hard brass; Be-Cu;elkonite 30w3; stainless steel and so on. 铝合金;紫铜;黄铜;铍铜;青铜;磷青铜;钨铜;银基合金;不锈钢等Elkonit 艾尔柯尼特合金 返回 elkonite