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3. The outer epidermis of the regular network cable also has certain ductility, also called elasticity. If the outer epidermis is inelastic, it is easy to break. Therefore, when buying the network cable, you can reduce a 0.5 meter long network cable and pull it to both sides. See if there is a crack in the middle or if the epidermis can extend to both ends. If there is no crack in the middle during the pulling process, and the epidermis can also extend to both ends, then the epidermis of this network cable meets the standard. In addition, we should pay attention to a problem. In the process of pulling, although some network cables have no cracks, there are obvious signs of whitening and thinning in the middle, which is also not in line with the standard.等他追上公主，公主肯定不肯回去，要他陪着一块上前线。"Sock:Left Aileron Left Arrow Left Arrow-板栗一听，也不管众人了，撒腿就往前奔去。伊卡决心去一个渔民村上学，在那里女孩的教育被视为禁忌。她打破这句古老格言的冲动使她与父亲所罗门的过去纠缠不清。When life is predicted to enter the countdown, it means that you constantly lose your ability to make decisions about yourself in the process. Your parents and children surround you and make decisions for you. Because you may not be able to speak, you will be cut through the trachea and connected to the ventilator. It may be very painful. The passage of life does not occur at the last moment, but begins when you learn of the incurable disease.