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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.《暖暖，请多指教》这部剧的设定和很多影视剧的设定一样，讲述女主懂女团离开之后十分窘迫，男主是一位天才视觉家，男主收留女主。而女主暖暖从一个小店员做起，男主为了完成奶奶心愿承接“再现敦煌”项目，女主在经历众多考验之后成为一位金牌设计师，与男主的项目相结合实现潮流与文化的碰撞，最终两人携手共度。讲述了毫无灵力却元气满满的废柴女路卿卿与表面纨绔却睿智暖心的傲娇王爷南宫一昕的故事。项羽似乎看清了大夫的为难之处，说道：莫要担心，寡人恕你无罪。2. In the open system settings application page, click the "Application Double Open" setting item;　　有道是一朝天子一朝臣，登位之初，乾隆对李卫一点儿也不喜欢，尤其看不惯李卫身上的混混气。碍于是前朝老臣，能留给几分面子就已经不错了。李卫何等聪明，乾隆又是他在雍亲王府里看著长大的，知道这个新皇帝和雍正的行事为人全然不同，所以从一开始，他就决意辞官，回家种地去。Application Scenario of Decorator Mode: