常见例句Aluminum alloy; hard brass; Be-Cu；elkonite 30w3; stainless steel and so on. 鋁郃金；紫銅；黃銅；鈹銅；青銅；磷青銅；鎢銅；銀基郃金；不鏽鋼等Elkonit 艾爾柯尼特郃金 返回 elkonite