您图片里的是光纤,这种光纤网线断了是需要专业的宽带维修人员使用热熔机来融合连接的,这种光纤里面是纤维的,随意用胶带粘住是不能修复的,建议您在宽带网络运营中心找一下宽带维修人员让他们修复
The one in your picture is an optical fiber. If this kind of optical fiber network cable is broken, it needs a professional broadband maintenance personnel to use a hot melt machine to fuse and reconnect it. This kind of optical fiber has fibers inside, and it cannot be repaired by randomly sticking it with tape. It is recommended that you find a broadband maintenance personnel at the broadband network operation center to let them repair it