german alloy silver bar德银锭
german alloy silver德银
German n silver bar德银条
German n silver德国银;德银
german alloy silver solder铜镍合金钎料
German n silver wire德银线
German silver wire德银线;德银丝
german silver wire detail德银丝;德银线
German silver solder铜镍合金钎料;德银钎料
N(名词) → another name for nickel silver