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- steep low seam mining method 急倾斜薄煤层采煤法
- low seam mining method 薄煤层采煤法
- inclined low seam mining method 倾斜薄煤层采煤法
- This mining technology is innovations in the layout of this kind working face,mining method and technologies act and solves many technological difficult problems for the thin coal seam mining. 该开采技术在工作面巷道布置、开采机械、采煤方法、回采工艺等开采技术上进行综合创新,解决了薄煤层开采的技术难题。
- Inclined Medium-thickness Seam Mining Method 急倾斜中厚煤层开采方法
- inclined superhigh seam mining method 倾斜特厚煤层采煤法
- medium-thickness seam mining method 中厚煤层采煤法
- gently inclined high seam mining method 缓倾斜厚煤层采煤法
- gently inclined medium-thickness seam mining method 缓倾斜中厚煤层采煤法
- inclined high seam mining method 倾斜厚煤层采煤法
- Analysis for Application Results of Low Seam Mining Technology in Tuanbai Coal Mine 薄煤层开采技术在团柏矿的应用效果分析
- low seam mining 薄煤层开采
- low seam mining machinery 薄煤层采煤机
- The effective mining method at small piece section of superhigh and complicated seam is explored. 探索有效的特厚复杂结构煤层小块段的开采方式,可提高效益,降低消耗,开采简单,便于生产。
- gassy seam mining method 瓦斯煤层采煤法
- high seam mining method 厚煤层采煤法
- super high seam mining method 特厚煤层采煤法
- There was a steep climb on the road out of town. 市外公路上有一处很陡的上坡路。
- Do you think you can climb that steep cliff? 你以为你能爬上那座悬崖峭壁吗？
