目前,很多同学都有一台随身听或复读机,但是在使用中由于常常用力反复插拔插头,或者使用不当,会造成耳机的插头部分电线折断或接触不良。出现这种情况后,就只能换一副新的耳机。经过观察分析,我发现造成这种情况的原因主要是,人们在使用时插头的导线与插头接连处经常反复弯折, Currently, many students have a Walkman or video recorder, but in the use of the often repeated forced plug force, or improper use, will cause the earphone plug part of the wire broken or poor contact. When this happens, you can only change a pair of new headphones. After observation and analysis, I found that the main reason for this situation is that people often use the plug when the conductor and the plug connected frequently repeated bending,