Undermining相关论文
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根据钟祥杨榨累托石矿床的特性及矿体赋存情况提出了几种可供选择的采矿方法。...
针对宜昌磷矿地下开采岩体移动变形问题,利用Fuzzy数学理论建立了相应的数学模型.该数学模型和分析方法不仅适用于分析高陡山区复......
Negative Pressure Wound Therapy with Multiple Drainage Holes for the Treatment of Pressure Ulcer wit
Noninvasive treatment of pressure ulcers with undermining is often difficult. To decrease the risk of bleeding in such c......
For more than 2500 years, soil tunnels have been used in warfare and smuggling. Initially tunnels were utilized to attac......
