Goods upgrading or downgrading along the spiral surface, avoid too large inclined angle which may cause goods overturningbeing destroyed.
货物按照螺旋输送面升降,避免角度过大,造成货物倾倒和破损。
Combining with the actual situation in coal face, expound the key technology for large inclined Angle thin seam face so as to assure that slided coal can't come in goaf.
结合某矿采煤工作面实际情况,阐述了大倾角薄煤层工作面的关键技术处理措施,保证了煤下滑不窜入采空区。
On the contrary, the back well drill method is from bottom to top, which is suitable for the small inclined Angle, but not for the large shaft section.
反井法施工斜井为自下而上进行,适合倾角不大的斜井施工,但不适宜运用于断面较大的斜井。
Construction technique of concrete lining of long inclined shaft with steep obliquity Angle and large diameter is complex and extremely difficult.
陡倾角大直径长斜井混凝土衬砌施工技术复杂,施工难度大。
Its sedimentary structure includes large-scale inclined beddings, trough cross-beddings, low-angle cross-beddings as well as an erosional basal surface.
具有大型单斜层理、槽状交错层理和低角度交错层理,底部具冲刷面;
Its sedimentary structure includes large-scale inclined beddings, trough cross-beddings, low-angle cross-beddings as well as an erosional basal surface.
具有大型单斜层理、槽状交错层理和低角度交错层理,底部具冲刷面;
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