| ประโยคภาษาจีน : 中文句子 | 
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|  shì yàn试验  jiē guǒ结果  biǎo míng表明  tiān jiā添加  jù bǐng xī聚丙烯  xiān wéi纤维  yǒu zhù yú有助于  gǎi shàn改善  cái liào材料  de的  mú yā模压  xìng néng性能  dàn但  dǎo zhì导致  cái liào材料  wù lǐ物理  lì xué xìng néng力学性能  xià jiàng下降 | 
| The test results showed that adding virgin PP fiber could improve molding performance of the composite, but made the physical mechanical properties reduced. |