易弯曲
发表于 2025-3-23 11:12:50
Systemausbau und Cloud-Anbindung,Local investigations of a pit slope placed in the limit position in the area where drilling and blasting operations are planned are recommended to be carried out using the method of thermometry to detect the depth of disturbance (cracks, shears, discontinuities, etc.).
平
发表于 2025-3-23 17:34:15
Modellannahmen und Operationalisierung,In Chap. 2 of the monograph, the mechanism of the negative influence of career explosions on the stability of the sides was disclosed since the strength relations of the rock mass are destroyed (the mechanical properties of the constituent parts deteriorate).
CIS
发表于 2025-3-23 18:03:23
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价值在贬值
发表于 2025-3-23 23:18:38
Roland Riempp,Arno SchlotterbeckEstablishment of optimal parameters of quarry pits for the development of minerals by the open method is necessary to ensure the safety of mining operations, the safety of facilities and construction, transport and energy communications, mining equipment, and the full extraction of minerals.
手势
发表于 2025-3-24 03:10:30
Mineral Deposit and Studying of World Experience on the Study of the Geomechanical State of the MouAt present, the specific weight of the open method of mining mineral deposits (75% of the total world mining) attests to the preservation of this general direction for the development of mining industries to provide fuel and mineral raw materials.
Macronutrients
发表于 2025-3-24 08:13:36
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类型
发表于 2025-3-24 13:14:59
Special Distribution of Ore Bodies and Teplometric Method of Express Evaluation of the Rock Massif In Chap. 2 of the monograph, the mechanism of the negative influence of career explosions on the stability of the sides was disclosed since the strength relations of the rock mass are destroyed (the mechanical properties of the constituent parts deteriorate).
容易懂得
发表于 2025-3-24 15:18:38
Ultrasonic Method of Express Evaluation of the Rock Massif Disturbance,The ultrasonic method has found wide application in mining for determining the size of the disturbed zone, and for evaluating the physical–mechanical characteristics of the mountain massif.
炸坏
发表于 2025-3-24 21:50:19
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乐章
发表于 2025-3-25 00:00:50
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