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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.① The design level is not satisfactoryBusiness Innovation Design (STEP 4): To make up for the opportunity gap, business design innovation is required, including developing new products, implementing new business models, adopting new competitive strategies, etc. Business design can help us to design a business model that can seize market opportunities to achieve strategic objectives and the product mix strategy that should be adopted.正闹着，张杨、板栗和葫芦过来了，连黄豆都落衙赶来了。元气声优阮芷，意外邂逅了曾经大学时的暗恋对象祁湛，年少青涩的初恋令人怀念，曾经因各种误会而错过的“小作精”与“完美先生”，再次相遇，究竟是谁降服了谁呢，还是TA甘愿为另一个人卸下盔甲？多年后的重逢，怦然心动的那个他林森，朝九晚五的上班族，自觉工作索然无味又无力改变，暗恋一个女孩许久，也没有勇气结识。终于，在损友哨子的怂恿下，偷了女孩的包，试图通过还包制造邂逅的机会，不料却发现包里有一袋钻石，价值数百万，哨子财迷心窍，想据为己有。随即，事情开始失控，如蝴蝶效应般一发不可收拾，意外接二连三，各路人马纷至沓来，秘密阴谋层出不穷，险像环生。本来一件“偷包泡妞”的小事，却将两人推进了深不见底的漩涡……