| ประโยคภาษาจีน : 中文句子 | 
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|  duì对  dá xiàn达县  guǎng diàn广电  chéng yù wǎng城域网  yùn xíng zhuàng kuàng运行状况  jìn xíng进行  le了  jiǎn cè检测  rèn wéi认为  bù néng不能  mǎn zú满足  yòng hù用户  shàng wǎng上网  xū yào需要  de的  yuán yīn原因  chú le除了  wǎng网  nèi内  bìng dú gǎn rǎn病毒感染  zhī wài之外  shè bèi设备  yǔ与  shè bèi设备  zhī jiān之间  liàn lù céng链路层  xié shāng协商  jí及  lián jiē xiàn连接线  chū xiàn出现  gù zhàng故障 | 
| Through detecting operation condition of broadcast net in Daxian, draw the cause it can not satisfy user need, his is related with virus effected, the fault between equipment is also the cause. |