coal seam mining例句|coal seam mining英文例句|coal seam mining造句-字典翻译

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英语单词

coal seam mining

coal seam mining例句

coal seam mining的用法和样例

例句

The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No.3 shaft are approached.
分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素，探讨了预防煤层的自燃着火的开采技术措施。

coal seam mining怎么读 coal seam mining是什么意思

煤层开采

coal seam mining的相关资料

临近单词

coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal dropn.卸煤机

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