| ประโยคภาษาจีน : 中文句子 | 
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|  lùn wén论文  jié hé结合  kāi yáng开阳  lín kuàng磷矿  jīn金  yáng gōng阳公  lù yā kuàng路压矿  de的  jù tǐ qíng kuàng具体情况  duì gōng对公  lù xià路下  de的  bǎo ān保安  kuàng zhù矿柱  kāi cǎi开采  jì shù技术  jìn xíng进行  yán jiū研究 | 
| Based on the in-situ conditions of the ore body under Jinyang Road of Kaiyang Phosphate Mine, the relevant technology for retreating the ore body for protecting the road was investigated. |