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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.抗战时期的上海，进步女青年韩疏影被婶婶陷害，被迫嫁给苏北大亨谢丙炎做妾室。在爱国教师历文轩的感召下，韩疏影决定逃婚投入救国行列，却因和谢家大少爷谢天赐的同学关系，被谢家大小姐谢若雪发现。飞扬跋扈的谢若雪不仅向父亲告发，还把韩疏影的‘逃婚’演绎成“私奔”，妄图置韩疏影这个“后妈”于死地。正当韩疏影命悬一线之际，谢丙炎因不愿出卖祖国被日本人枪杀。目睹一切的韩疏影深深被谢丙炎的爱国气节感动，毅然选择留在谢家，以谢夫人的名义保全了谢家老小，并在历文轩的帮助下，带着谢若雪逃到上海，用实际行动感动了谢若雪。在金戈铁马的时代背景下，韩疏影和谢若雪这两个女人不仅以“母女”的身份相依为命，也以“姐妹”的身份演绎了一段抗战救国的传奇In the "Columns" dialog box in the above figure, you can set the number and width of columns as needed, and set columns for the entire document or the current section.其他地方可曾发现汉军踪迹？没有。待要不管，可谁让他姓胡呢？这无数的人围着看胡府的笑话，他怎能置身事外？这个姓，简直像一张网，网住了他的一生。With the above reasons, there are integrated content products such as today's headlines. The goal is to cover all content forms, not only pictures and texts, but also short time, question and answer, social interaction, etc.山子，你外婆跟雪莲爷爷那可是亲兄妹，老太太当年只生了他们两个，好的不得了。