| ประโยคภาษาจีน : 中文句子 | 
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|  duì对  zì fā xìng自发性  hé和  shí yàn xìng实验性  chú jī雏鸡  bái lì白痢  bìng病  jìn xíng进行  le了  bìng lǐ病理  xíng tài xué形态学  guān chá观察 | 
| Pathorphological observation of naturally occurring and experimental pullorum disease of chicks was conducted. |