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- low seam mining machinery 薄煤层采煤机
- 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
- steep seam mining machinery 急倾斜煤层采煤机
- low seam mining 薄煤层开采
- steep low seam mining method 急倾斜薄煤层采煤法
- low seam mining method 薄煤层采煤法
- Beijing MMD Mining Machinery Co. Ltd. 北京英迈特矿山机械有限公司。
- Japan Nanchang Mining Machinery Co., Ltd. 南昌矿山机械有限公司。
- inclined low seam mining method 倾斜薄煤层采煤法
- Jiamusi Coal Mining Machinery Co. 和佳木斯煤矿机械有限公司。
- Heilongjiang Coal Mining Machinery Group Co. 宣布,已向国有黑龙江煤矿机械集团有限公司。
- Changshu Construction And Mining Machinery Corporation Ltd. 常熟市建矿机械有限公司。
- Used for surfacing welding on low hardness under normal temperature and repairing of mining machinery. 常温低硬度堆焊。适用于矿山机械的堆焊与修补。
- A basic knowledge of the equipments in power, mining machinery industries. 基础的电气设备、矿山机械工业方面的专业知识。
- Mainly engaged in coal, coke and mining machinery equipment and accessories. 主要经营原煤、焦炭及矿山机械设备及其配件。
- Water-coal mixture burst is a new mine disaster in exploiting steeply inclined thick coal seam mining. 摘要急倾斜厚煤层开采时发生的水煤体溃泄是一种新的矿井灾害。
- Abstract: The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No.3 shaft are approached. 文摘: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。
- 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。
- In the process of Shanxi formation seam mining in Shaqu Colliery,the seam roof and floor sandrock aquifers constitute the direct discharge aquifers. 沙曲煤矿山西组煤层开采过程中,煤层顶底板砂岩含水层构成煤层开采时的直接充水含水层。
- A reasonably good knowledge of the equipments in power, mining machinery industries. 一定的电气设备、矿山机械工业方面的专业知识。
