| ประโยคภาษาจีน : 中文句子 | 
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|  duì对  suān jiǎn dù酸碱度  yǐng xiǎng影响  pāo tóng泡桐  mù cái木材  sè zé色泽  jìn xíng进行  le了  yán jiū研究  bìng并  duì对  ruò jiǎn弱碱  róng yè溶液  fáng zhǐ防止  pāo tóng泡桐  mù cái木材  biàn sè变色  de的  zuò yòng作用  zuò做  le了  shì yàn试验  yǔ与  fēn xī分析 | 
| An experiment was conducted to study the effects of acid and alkali on paulownia wood color. The protection of weak base solution against discoloration of paulownia wood was also analysed. |