小煤柱的英文

cob

• 小:    small; little; pet ...
• 煤:    coal
• 煤柱:    coal block; coal p ...

例句与用法

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1. Discussion on small pillar support roadway bolt support
   小煤柱护巷锚杆支护探讨
2. Application of grouting cable anchor in small coal pillar roadways
   注浆锚索在小煤柱巷道群加固工程中的应用
3. Small coal pillar technology to protect mine roadway and application in ningwu mine
   宁武煤矿小煤柱护巷技术及其应用
4. Application and analysis of supporting by small pillar tunnelling along goat tunnel
   沿空掘进小煤柱巷道支护应用与分析
5. Analysis and governing of the gas in the working face of the fully - mechanized sub - level caving in the small coal pillars
   小煤柱综放工作面瓦斯涌出分析及治理