| ประโยคภาษาจีน : 中文句子 | 
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|  tí chū提出  zài在  lā zhì拉制  guāng xiān光纤  shí时  bì xū必须  yán gé严格  kòng zhì控制  gōng yì工艺  què bǎo确保  guāng xiān光纤  xìng néng性能  yí zhì xìng一致性 | 
| This paper shows that drawing process should be accurately controlled so as to ensure the performance accordance optical fiber. |