| ประโยคภาษาจีน : 中文句子 | 
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|  běn本  kè tí课题  zhǔ yào主要  cóng从  yí chūn宜春  lǐ锂  yún mǔ云母  zhōng中  tí qǔ提取  lǐ锂  jì ér继而  yǐ以  liú suān硫酸  lǐ锂  róng yè溶液  wèi为  yuán liào原料  fù fēn jiě fǎn yìng复分解反应  zhì bèi制备  lǜ huà氯化  lǐ锂 | 
| This paper mainly declares the method of extracting lithium from lepidolite and preparing the lithium chloride by double-decompose reaction with material lithium sulfate and calcium chloride. |