能源科学技术

• 长壁

  After exploration and research,it is believed that the longwall mining method with strike and zoning has the strong value of application and popularization in the technology,safety and economic aspects.

  经探索和研究认为,走向长壁分带采煤法在技术、安全和经济等方面均有较强应用和推广价值。

冶金工程技术

• 长壁工祖