meditation
发表于 2025-3-26 23:50:30
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新陈代谢
发表于 2025-3-27 01:29:15
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桉树
发表于 2025-3-27 06:50:33
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永久
发表于 2025-3-27 10:21:15
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Spirometry
发表于 2025-3-27 17:36:37
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宿醉
发表于 2025-3-27 19:33:01
https://doi.org/10.1007/978-981-99-2645-9Rock Blasting; Underground Mining; Rock Mass Damage; Ore Dilution; Numerical Simulation; Waveform Analysi
泛滥
发表于 2025-3-27 22:43:42
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Conscientious
发表于 2025-3-28 04:42:02
,Die öffentliche Bestellung und Vereidigung,ral deposits. The excavation of deep seated deposits is possible only using underground mining, as openpit mining for such deposit will not be economical. Maintenance of production pace from underground mining as par with openpit mining is a challenging task. However, with the technological advancem
fiscal
发表于 2025-3-28 09:58:33
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凶兆
发表于 2025-3-28 14:21:39
,Die öffentliche Bestellung und Vereidigung,can optimize the design parameters by assessment of rock–explosive interaction to achieve the desired output. The expected outcomes from underground blasting would be different under varying geomining conditions. The optimum breakage of rock mass with enhanced pull and reduced overbreak is expected