narrow web mining是什么意思

网络释义

用法例句

The main geological factors which influenced top coal caving and broken characteristic contain:the strength of coal,the mining depth of coal seams,the features of coal seams with middle band,the thickness of coal seam,the fissures of coal,the roof features of coal-bed,etc.

影响顶煤垮落和破碎特性的主要地质因素有煤体强度、煤层采深、夹矸层特征、煤层厚度、煤体裂隙、煤层顶板特征等。

Dynamic model and solving methods of shearer pick;

采煤机截齿动力学模型及其求解方法

Technology Research on Warm Extrusion Process of Cutting Pick Body in a Coal Mining Machine;

采煤机截齿刀体温挤压精密成形工艺研究

The Computer Simulation of Shearer Conical Bits Cutting Process;

采煤机镐形截齿截割过程的计算模拟

Study of the Running System Dynamic Behaviour of Gear Drive of Coal Mining Machine Cuts Headquarter;

采煤机截割部齿轮传动系统的动态特性的研究

Research on 3D Optimum Design of Planetary Gear Reducer for Shearer's Cutting Part;

采煤机截割部行星齿轮减速器三维优化设计研究

The mathematical model and block diagram are presented to calculate the pick momentary cutting thick when the shearer drum is in the state of irregular motion.

给出了采煤机螺旋滚筒不均匀运动时截齿瞬时切削厚度计算的数学模型和程序框图。

Discussion on miner cutting motor frequency-change speed adjusting control

采煤机截割电机变频调速控制的探讨

Computer Simulation of Complex Coal Formation and Optimum Parameters of Operating Mechanism for Continuous Miner;

复杂煤层模拟及连续采煤机截割机构参数优化

Load Spectrum Computer Simulate of the Pick-shaped of Coal Cutter's Drum;

采煤机镐形齿滚筒载荷的计算机模拟

Finite Element Analysis of Cutting Part of MG250/591-WD Coal Winning Machine;

MG250/591-WD型采煤机截割部的有限元分析

Study on Relation of Coal Bed Cutting Strength Variation and the Energy Cost of Shear;

煤层抗截强度变化规律与采煤机能耗关系研究

Development of Manufacturing Annular Gear of Coal Cutter With 25Cr2MoVA;

25Cr2MoVA钢制造采煤机内齿圈的开发与利用

Application of Self-lubrication Technology in Gearbox of Coal Mining Machine

自动润滑技术在采煤机齿轮箱中应用

Research on the Virtual Prototype and Dynamics Simulation of Shearers Ranging Arm;

采煤机截割部虚拟样机及其动态特性仿真研究

Visual Research of Cutting Parameters and Cutting Process on Operating Mechanism of Continuous Miner;

连续采煤机截割机构截割参数与工作过程的可视化研究

Research on Control Stragey of Memory-cutting in Electrical Traction Shearer;

电牵引采煤机记忆截割控制策略的研究

Reliability research on shearer cutting unit based on multi-body dynamics

基于多体动力学的采煤机截割部可靠性研究

Probe into Dual-motor Drive Mode Used in Cutting Unit of Large Power Electric Haulage Shearer

大功率电牵引采煤机截割部采用双电机驱动方式初探

the part of a coal seam that is being cut.

正在被开采的煤层截面。