常見例句Aluminum alloy; hard brass; Be-Cu；elkonite 30w3; stainless steel and so on. 鋁合金；紫銅；黃銅；鈹銅；青銅；磷青銅；鎢銅；銀基合金；不銹鋼等Elkonit 艾爾柯尼特合金 返回 elkonite