显然，这是地下采掘引起的表生时效变形。
Evidently, the deformation is a kind of time-dependent deformation caused by underground mining.
本文着重研究地下采掘机械优化配置的方法问题，并以一实例给出了分析的方法和步骤。
This paper mainly studies the method of optimal fitting of underground mining machinery, and analyses an actual example by integral programming.
构造介质、构造界面、构造应力相互影响，相互制约，协同作用，构成了地下采掘工程的构造环境。
The tectonic setting of underground mining engineering is constituted by structural medium, fractures and tectonic stress in influence, restriction and cooperation one another.
根据地矿工程体视化仿真系统研究工作的需要，提出了一种基于体素的地下采掘工程量的计算方法。
Oriented toward the development of a 3D visual modeling system for geological and mining engineering, a voxel- based algorithm for computing underground excavation volume is proposed.
由于地下的过度采掘，数千英亩的地层塌方，数百个村庄被煤灰污染。
Because of intense underground mining, thousands of acres are prone to sinking, and hundreds of villages are blackened with coal waste.
地下采矿机械。工作面上的移动式采掘机械。截装机和开沟系统的安全性要求。
Underground mining machines - Mobile extracting machines at the face - Safety requirements for shearer loaders and plough systems.
地下采矿机械。工作面上的移动式采掘机械。截装机和开沟系统的安全性要求。
Underground mining machines - Mobile extracting machines at the face - Safety requirements for shearer loaders and plough systems.
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