“无底柱分段崩落采矿法”的概念、定义、翻译、参考文献-科学参考

单词	无底柱分段崩落采矿法
释义	无底柱分段崩落采矿法 Encyclopedia 工学阶段崩落采矿法释 sublevel caving method without sill pillar无底柱分段崩落采矿法将阶段划分为分段后，自上而下逐步进行分段崩落回采矿石的采矿方法。分段下部不设由专用出矿巷道所构成的底部结构，分段的凿岩、崩矿和出矿工作在同一个分段回采巷道中顺序进行，以较小的崩矿步距向崩落区进行挤压爆破，崩落的矿石在松散覆岩下，自回采巷道的端部直接放出，利用装载设备运至溜井，再由矿石溜井溜放至阶段脉外运输巷。
随便看	Selected Lüshi Poems by Four Poets of the Song Dynasty Selected Manuscripts of Tang Poems Selected Medical Prescriptions for Emperor Guangxu and Empress Dowager Cixi,With Comments Selected Memorials in the Style of Rhythmical Prose Selected Model Calligraphies from the Flying Swan Hall Selected Movie Scripts of Ke Ling Selected Music for Voices of Zhou Xinfang Selected Notes of Baogong Opera in Yuan Dynasty Selected notes of Famous Gardens in China Selected Novellas Selected One-Thousand Poems selected passage from Suzhou-dialect Tanci storytelling Selected Passages from Huangmei Opera Selected Passages of Jiang Miaoxiang’s Peking Opera Performance Selected Passages of Qiu Shengrong's Peking Opera Plays Selected Passages of Shang Xiaoyun's Peking Opera Plays Selected Passages of Tan Xinpei's Peking Opera Plays Selected Passages of Xun Huisheng’s Peking Opera Selected Passages of Zhang Junqiu’s Peking Opera Selected Peking Opera Passages of Ma Lianliang Selected Peking Opera Scores of Guan Yanong Selected Peking Opera Scores of Liu Jidian Selected Pingju Opera of Cheng Zhaocai Selected Plays of Ancient Chinese Drama from the Royal Library of San Lorenzo Selected Plays of Hui Tune Opera of Ming Dynasty

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