对于煤层内夹石厚度比较大的情况，建议不采用放顶煤开采。
是沉积岩的一种，其纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。
Melaleuca stone is a sedimentary rock, its texture into layered structure, sandwiching a layer of gray rock between layers, stone Wencheng transverse, resembling the weathered rock erosion.
千层石是沉积岩的一种，其纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。
Melaleuca stone is a sedimentary rock, its texture into layered structure, sandwiching a layer of gray rock between layers, stone Wencheng transverse, resembling the weathered rock erosion.
千层石是沉积岩的一种，纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。
Melaleuca stone is a kind of sedimentary rock texture, layered structure, sandwiching a layer of gray rock between layers, stone Wencheng transverse, resembling the weathered rock erosion.
千层石是沉积岩的一种，其纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。
Qianceng stone is a kind of sedimentary rock, its texture into layered structure, in between layer and layer a layer of light grey rocks, stone into horizontal, one and weathered erosion of rock.
千层石是沉积岩的一种，纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。
Qianceng stone is a kind of sedimentary rocks, texture into layered structure, in between layer and layer a layer of light grey rocks, stone into horizontal, one and weathered erosion of rock.
是沉积岩的一种，其纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。
Qianceng stone is a kind of sedimentary rock, its texture into layered structure, in between layer and layer a layer of light grey rocks, stone into horizontal, one and weathered erosion of rock.
对框架柱顶夹渣层用高强细石混凝土粘钢板套箍等方法加固，提出了具体的加固方法和注意事项。
Mehods and issues to be concerned in the strengthening of the slag layer in the top of the frame column with high strength fine stone concrete and steel plate hoop.
主要的材料为：黑色与白色合成石，拉膜灯箱，彩色夹胶玻璃，彩虹亚克力板，铝板，高强石膏板等。
The key materials are: Black and white reconstituted stone, stretch ceiling light box, tinted laminated glass, rainbow tinted acrylic, composite aluminium panels and glass Reinforced Gypsum board.
主要产品有以下几种类型：Z1型(石夹土，以石为主、石崩)：锚杆、支撑绳、钢丝网、格栅网。
The main product has followed several types: Z1 type (stone soil, take the stone as the major and stone collapsed) : Bolt, support rope, steel mesh, the grid network.
在高变质阶段的贫煤、无烟煤层中，煤层夹矸的粘土矿物成分以伊利石为主，高岭石次之。
In the lean coal bed and anthracite bed of high coal rank, the main composition of the clay mineral in the tonstein intercalations is illinite, Kaolinite takes second place.
千层石纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。
Melaleuca stone texture into a layered structure, the folder in between the layers of a layer of gray rock, stone Wencheng transverse, shape like weathered erosion of rock.
血管夹组较直接切开取石组取石时间短。
Time of stone removal in vascular clamp group was significantly shorter than in no vascular clamp group.
血管夹组较直接切开取石组取石时间短。
Time of stone removal in vascular clamp group was significantly shorter than in no vascular clamp group.
应用推荐