longwall face的例句大全

Based on the structural characteristics of floor in the longwall face, the structural model of the key stratum ( KS) in floor is established.

根据采场底板岩体结构特征，建立了底板岩体的关键层（KS）结构模型。

Research and development on goaf model test system for fully mechanized caving longwall face

综放长壁开采采空区模型试验系统研制

Analysis on bending failure of initial weighting of main roof in longwall face

长壁工作面老顶初次来压的弯曲失稳解析

formation and application of the front abutment pressure on longwall face

论采场前方支承压力的形成及应用

modelling experiment for immediate roof with many cracks caving in longwall face

采场多裂隙直接顶破坏的模拟研究

Today chock-shield support is extensively used to control the superjacent strata of longwall face.

目前,大量的长壁工作面采用支撑 —— 掩护式支架控制上覆岩层.

A new type self-walking advance timbering support set is adopted in longwall coal mining face of Halagou Coal Mine, Shendong Coal District by Shenhua Group Co.

神华集团神东矿区哈拉沟煤矿在长壁工作面回风巷中采用了一种新型自移式超前支护支架组。

As increasing of mining depth, advancing of outputs of a single working face and changing of geological conditions, the disallowed gas concentration appears frequently at longwall top coal caving face in Lu' an mining district, blocks the farther advancing of producing level.

随着采深加大、工作面单产的提高及地质条件的变化，潞安矿区综放工作面瓦斯超限频繁，严重制约了综放集约化生产水平进一步提高。

analysis on strata pressure of fully mechanized longwall coal mining face in soft roof, soft coal and soft floor seam

三软煤层综采长壁工作面采场矿压分析

Modern longwall mining employs hydraulic powered supports at the face area.

现代长壁工作面采煤已在挖掘区使用液压支架.

application of gob-side entry retaining technology to transportation gateway of fully mechanized longwall mining face

沿空留巷技术在综采工作面运输顺槽的应用

Relative location set in gas drainage gateway along strike roof of longwall mining face

回采工作面走向顶板瓦斯抽放巷相对位置确定

Application of Remote Controlled Face End Hydraulic Powered Shield Support to Rapid Removing of Fully Mechanized Longwall Mining Face Equipment

遥控式端头掩护支架在综采面快速回撤中应用

Characteristics and Prevention Technology of Spontaneous Combustion in Goaf Area of False Dip Longwall Mining Face with Flexible Hydraulic Powered Shield Support

伪倾斜柔性掩护支架工作面采空区自然发火特点及防治技术