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The outer surface is plated with oxygen-free copper, and the raw materials of the core wire are brass, bronze and miscellaneous copper. Because the raw materials of copper inside and outside are different, it is called copper clad copper. The quotation is moderate, and the quotation for miscellaneous copper is usually only half or lower than that for oxygen-free copper. The produced wire is attributed to non-standard wire, and its anti-twisting and anti-oxidation functions are better than those of copper-clad aluminum. Suitable for induction and wiring engineering with low accounting, it can lay hidden lines in the wall. However, due to the influence of raw materials, the resistance is relatively large, with a 100-meter resistance of 25-35 ohms or even more, and the signal attenuation is very large. It is not so-called all-copper. We pay attention to the distinction.富二代兄弟爱上了龙凤胎兄妹,简单来说神哥兄弟两人喜欢上一对龙凤胎但他们以为是同一个人 最后应该是神哥和哥哥 弟弟和妹妹？你跟千户有交情，八成能得到消息先跑。Magic Attack +18在宇宙中流浪的雷米、真吾、基里、布多尔、卡特纳尔、克鲁纳格尔六人，来到了某个沙漠的行星陌生的街道。第二天早上，在宾馆的一个房间里醒来的雷美，收到了“你两天后会死”的谜一样的信息……