双语例句
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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。
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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。
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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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