copper alloy scrap 中文意思是什麼
copper alloy scrap
解釋
銅合金廢料-
Copper, titanium, nickel, aluminium, lead, steel, alloy, plastic, cord, scrap metal, waste paper
鍍金鍍銀鎳銅鈦鋁?鋼合金塑膠電線廢鐵廢紙充電池機器等
分享友人