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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.一天，ROCKY走向马路，迎着一辆大巴士，一个女孩子突然冲出来，把他从马路上拉开，从此，ROCKY遇上了改变他生命的女人——MAY （莫小棋 饰），她牵起他的手，鼓励他迎向生命中的每一个挑战。 有了精神力量支撑，ROCKY开始振作，每天抱着美丽愉快的梦想过日子。 老天给了他和MAY再次相遇的机会，然而这一次，MAY的身边却多了一个陈SIR。许朝光的事先往后放，南洋大战一触即发。Basketball matches are matches based on basketball. There are many forms of basketball matches, including the more common five-person basketball and the most popular street three-person basketball match, which is a three-to-three match and pays more attention to personal skills.DispatchTouchEvent (): Used to distribute events, if MotionEvent (click event) can be passed to the View, then this method will definitely be called. The return value is determined by the return value of its own onTouchEvent () and the dispatchTouchEvent () of the child View.不，比以往任何一幅都更动人。静观其变？不行，事情已经发生，很难置身事外。