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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.新一世代各个派迎来了争夺霸权的一大战国时代。天才少年画家顾夜白（陈若轩饰）创伤性心理疾病发作，眼里的世界失去了颜色。他正准备国际美术大赛金奖的画稿，变故令他十分焦虑。他偶遇阳光女孩路悠言（安悦溪饰），在她的帮助下慢慢调整心态，完成了自己的美术梦。可就在顾夜白和路悠言经历一段段磨炼，即将收获美丽爱情时，路悠言得上司赏识，获得了去巴黎的机会，而和她一样患病的表哥却传来了病危的消息，两人的爱情遭遇现实考验。除了爱情外，顾夜白、路悠言等这一群年轻人面临毕业的大四人生还有太多太多需要考虑的现实问题，社会充满了各种机遇，同时也有未知，年轻人们用青春的画笔书写着各自的心与灵魂。没有播出的爱The wheel arch material of the new BMW 3 Series is mainly glass fiber, so it has good sound insulation, which is also the commonly used wheel arch material configuration for models at this price. It is worth noting that the front wheel arch of the new BMW 3 Series adopts a split design, and the front half is made of plastic. The reasons for this will be explained below.　　就这样，林一靠着逆天的系统加持，一路势如破竹地碾压，数度危难，救下神秘少女墨白雪，勘破盔甲士兵的万军阵，击败凝练出寒玉的巨大boss—守墓兽，通过心魔考验……这片大陆看似祥和，实则危机四伏，林一更在险难中结识了死皮赖脸要当他小弟的周不正、和不打不相识的冰块脸季云宇，还以两只烤鸡拜得高深莫测的神秘老头上官鸿为师，前路漫漫，在林一靠着系统纵横四海所向披靡时，却被美貌御姐吴恬绑架，深入地下墓陵探险……