crushed timbering是什么意思

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用法例句

Study on stability technology of hydraulic support in fully-mechanized caving working face with large dip angle;

大倾角综放工作面液压支架稳定性技术探讨

Light type caving coal hydraulic support structural characteristic and discussion on canopy structural design;

轻型放顶煤液压支架结构特点和顶梁结构设计的探讨

The research of appropriate original supporting pressure of powered support;

液压支架合理初撑力的确定

Dynamic analysis of caving powered support stability in deeply inclined coal seam;

大倾角放顶煤液压支架稳定性动态分析

Study on powered support canopy motion track of joints with clearance;

含间隙铰液压支架梁端轨迹的仿真研究

The structure patterns and performance analysis of the double-telescopic props of hydraulic supports;

液压支架双伸缩立柱的结构型式和性能分析

Computer aided concept design system for hydraulic supports;

液压支架计算机辅助概念设计系统

The structure characteristics and principle of the new type relief valve used on hydraulic supports were introduced.

介绍新型液压支架用安全阀的结构特点和工作原理,采用功率键合图法对该阀组成的标准实验系统建立数学模型,编制仿真程序。

Study on the Structure of the Cartridge valve with on Operating system of the Hydraulic supporter Support-post;

用于液压支架立柱控制系统的插装阀结构研究

Study on the feasibility of the hydraulic supporter with water medium;

水介质液压支架的可行性研究

A kind of new style combination linear hydraulic supporter is offered,which possesses the characteristic of light weight,reasonable structure, excellent mobility and low investment ect.

提出一种新型组合式直线型液压支架,具有重量轻、结构合理、机动性好、投资小的特点,能够广泛应用于中小煤矿及运输巷道断面狭小、无法正常布置综采工作面的边角煤回收区域。

tandem support system

串联液压支架推进法

Simulate Research about Hydraulic System of Hydraulic Roof Supports Test Bed

液压支架试验台液压系统的仿真研究

Design of Hydraulic System of ZY8800/17/35D Hydraulic Support

ZY8800/17/35D型液压支架液压系统设计

Design on Support Automatic in/out System of Hydraulic Powered Support Test Rig

液压支架试验台自动进出架系统设计

Finite Element Analysis of Hydraulic Support Based on Cosmos/Works

基于Cosmos/Works液压支架整架有限元分析

Strength Finite Element Analysis of Whole Caving Hydraulic Support Based on ANSYS Workbench

基于ANSYS Workbench液压支架整架有限元分析

The Research of Pilot-operated Check Valve With Slow Impulse for Hydramatic Supports

液压支架用缓冲式液控单向阀的研究

Application of New-style Concentrated Solution of Powered Support in Colliery

新型液压支架浓缩液在煤矿中的应用

Reliability Analysis and Research on Hydraulic Pressure Support for Putting Top Coal Hydraulic System;

放顶煤液压支架液压系统可靠性分析与研究

Simulate Research about Hydraulic System of Legs in Hydraulic Roof Support Test Bed

液压支架立柱试验台液压系统的设计及仿真

leapfrog support system

液压支架迈步式移动系统

Effects of Roof Control by Means of Hydraulic Supports Under Various Conditions

不同条件下液压支架控制顶板的效果

The Study of the Hydraulic Excavator Work Elements Based on the Virtual Prototype Technology;

ZY8700/17/32型液压支架的数字化样机研究

The Performance Analysis and Research of a New Kind of Reversal Valve in Hydramatic Support;

新型液压支架换向阀性能分析与研究

Design of the Hydraulic Power Support Control System Based on CAN Bus;

基于CAN总线液压支架控制系统的设计

The Study on Damage Cause of Hydraulic Support Advancing Jack;

ZZ6400液压支架推移千斤顶损坏原因浅析

Development of Water-Cooled Bainitic Steel Used in Hydraulic Shelves Pillar

液压支架活柱用水淬贝氏体钢的开发

A research on the corrosion protection technology of Hydraulic support jacks

液压支架立柱、千斤顶防腐技术的研究