small scale trackless equipment 小型无轨设备
trackless equipment in the pit 井下无轨设备
trackless mining equipment 无轨采矿设备
Especially, the paper has the innovation of bringing into the matching between productivity and trackless equipment and plan-mining for ore-body. The returns have good use value, which have been successfully used in the exploitation of JILE ore-block.
首次运用模糊数学的理论与方法对缓倾斜中厚磷矿体采矿方法进行优选，并将矿体生产能力与无轨设备的配套和矿段规划开采与矿山环境保护等纳入到研究的内容中，对开磷集团极乐矿段的开采作了全面深入的探索性研究，对下步矿山生产和可持续协调发展具有很好的实用价值，其成果可直接应用于极乐矿段的开采和远景规划。
参考来源 - 极乐矿段难采矿体采矿综合技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The advantages and application limitations of trackless equipment are described.
同时叙述了无轨设备的优点及其应用的局限性。
The operation cost of small scale trackless equipment in a mining test is described.
介绍了小型无轨设备在采矿试验中的运行成本情况。
With intensive mining and the use of trackless equipment, excavation becomes even more difficult as a result of widening of opening size.
随着开采强度的提高和无轨设备的应用，巷道断面相应增大，施工难度也随之增加。
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