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mine ground surface deformation
释义
mine ground surface deformation
Encyclopedia
工学
采矿地面变形
释
mine ground surface deformation
采矿地面变形
地下采矿形成采空区,围岩应力发生变化,引起采空区上方及附近的地面下沉、塌落、开裂等现象。又称采空区地表变形、采空区地面变形。
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districts under direct jurisdiction of routes and prefectures
disturbance
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