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The outer surface is plated with copper, and the raw material of the core wire is mainly aluminum. The outer surface is scraped and the aluminum core is silvery white. The quotation per unit of aluminum is about 1/4 of that of copper, and the same volume of aluminum is only 1/3 of that of copper, so the quotation per unit of copper clad aluminum is much cheaper than that of oxygen-free copper. Copper-clad aluminum has poor oxidation resistance, faster oxidation speed in humid environment, and poor tortuosity resistance of aluminum raw materials. It is not suitable for laying in the wall, and is only suitable for customers who do not have high demand for network stability or may temporarily establish a network.齐宣王（郭晋安 饰）得知深山之中有一位拥有高超智慧的神秘之人钟无艳（陈法拉 饰），前去寻找，并且许下了诺言答应满足钟无艳的一切要求，哪知道钟无艳竟然提出想要嫁给齐宣王，成为宫中的皇后娘娘。刘邦由一介泗水亭长混到今日今日的沛公之位，最开心的莫过于吕雉。Application Scenario of Decorator Mode:在押注他将买入Ondays之后，田中已成为总统，在陷入各种绝望的困境（例如背叛和田中（Tanaka）破产破产）的过程中，这种策略可以说是毁灭性的，银行已宣布Ondays“绝对破产”。 它基于遭到反对的真实故事。 朝日电视台2020年1月3日至1月5日播出的新年3夜戏剧Men's Individual Competition, Women's Individual Competition.大苞谷点头道：哦。