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pillar robbing
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pillar robbing
Encyclopedia
工学
空场采矿法
释
pillar robbing
矿柱回采
在综合考虑矿山地压显现规律、矿柱的承压能力、各回采步骤的产量分配以及经济效益等各方面因素的基础上,进行矿柱资源回收的方法及其技术工艺。
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Tang Gengliang
Tang Gengliang narrated and performed a Long Suzhou Pinghua: The Three Kingdoms
Tanggu (drum) of Wujiali Village, Guilin City
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Tanggula (Dangla) Shan
Tanggula Mountain-Nujiangyuan Scenic and Historic Area
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Tanggula Shanmai
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Tanggu Truce
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Tanghe Shuiku
Tanghe Xian
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Tang Hongxiao
Tang Hou
Tang Huaiqiu
Tang Huixiu
tangible cultural heritage
Tangible Interaction
Tangible User Interface
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更新时间:2025/11/26 3:32:17