thin seam Shearer 薄煤层采煤机
thin seam mining 薄煤层开采
thin seam coal 薄煤层
thin-seam 薄煤层
thin seam zone 薄煤带
thin seam unit 薄煤层机组
ultra thin seam 极薄煤层
steep thin seam 急倾斜薄煤层
almost thin seam 极薄煤层
A coal mining in thin seam is an inevitable issue of coal mining in many coal mines.
薄煤层开采是许多矿井煤炭开采中不可避免的问题。
The paper briefly introduced storage of thin seam coal resources in China as well as several type of mining equipment.
文章简要介绍中国薄煤层煤炭资源的储存情况、薄煤层开采机械的几种类型。
Within the north structure block, with the influence of the thin seam thickness, the thickness of the structure coal seam was relevantly thin.
在北部构造区内受煤层厚度较薄的影响，构造煤厚度相对较薄。
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