... hanging apparatus 悬挂器械 hanging arch 吊拱 hanging around 兜兜转 ...
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hanging arch system 悬顶系统
Hanging arch length 悬顶距
large area hanging arch 大面积悬顶
·2,447,543篇论文数据，部分数据来源于NoteExpress
The article analyzes how the hanging arch is caused during non-pillar sublevel caving in Jingtieshan mine, in order to provide a reference for rational mining organization and resources utilization.
本文着重分析了镜铁山矿无底柱崩落法悬顶问题，为合理安排矿山生产，合理利用矿产资源，提供了参考依据。
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