放工

• Harbour kitchen - a casual and convenient place to enjoy breakfast , lunch , tea and dinner
  港湾茶餐厅，返工放工几时都有得叹
• Gas drainage technology for fully mechanized caving mining face in high gas outburst seam
  高瓦斯突出煤层综放工作面瓦斯抽放技术
• The complex control technology of gas on full mechanized work face in the high gas coal well
  高瓦斯矿井综放工作面瓦斯综合治理技术
• Rapid advancing technology for top coal caving workface in densely sinking area of coal pillars
  密集陷落柱区综放工作面快速推进技术
• Technique reform of supporting equipment in three soft thick seam for fully mechanized caving face
  厚煤层综放工作面支护设备技术改造
• Design and improvement of face end support technology in fully mechanized coal caving mining face
  综放工作面端头支护工艺的设计与改进
• Increase output of the fully mechanized top - coal caving face by using the law of underground pressure
  利用矿压规律提高综放工作面单产
• Bolt and cable support in large section open - off cut in fully - mechanized top - coal caving face
  综放工作面大断面切眼锚网与锚索支护实践
• Impact of complex gas control in fully mechanized caving face on its fire prevention and control
  综放工作面瓦斯综合治理对防灭火的影响
• Technical reconstruct of recycling bracket yard in the working face of fully - mechanized coal winning
  减少综放工作面末采损失的收尾工艺