du.ral.u.minn.(名词)An alloy of aluminum that contains copper, manganese, magnesium, iron, and silicon and is resistant to corrosion by acids and sea water.杜拉铝:一种铝合金,含铜、锰、镁、铁与硅,能抗酸和海水腐蚀来源:[Originally a trademark] [最初为商标名]