hydraulic D frame

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

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

Performance Analysis and Research of New Kind of Reversal Valve in Hydraulic Support

液压支架新型换向阀性能分析与研究

The Math Models of a New Kind of Safety Valve in the System of Hydraulic Trestles;

一种新型安全阀在液压支架系统中的数学建模

Development and Application of New Mobile Roof Support

新型履带行走式液压支架的研制与应用

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

ZY8800/17/35D型液压支架液压系统设计

Application of the new composite seal for cutting without forms in the hydraulic support

浅析无模切削新型组合密封在液压支架上的应用

Application of the new crawler walking hydraulic support in the shortwall

新型履带行走式液压支架在短壁工作面中的应用

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

Lectotype of Powered Support for 1~(-2) Coal Seam in Hanjiawan Colliery

韩家湾煤矿1~(-2)煤层液压支架选型

Research of Leg Strength of ZY9000/26/55 Hydraulic Support

ZY9000/26/55型液压支架立柱强度的研究

Determination of the Parameters for the Selection of Hydraulic Supports for Fully-mechanized Face at Shallow Depth

浅埋深综采液压支架选型及参数确定

Research for ZF13000/25/38 Hydraulic Support

ZF13000/25/38型综放液压支架设计研究

Finite Element Analysis of ZF7200/18/35 Hydraulic Support

ZF7200/18/35型液压支架有限元分析

Analysis on the Fundamental Bases and Principles of the Type Selection of Hydraulic Support

浅析液压支架选型的基本依据及原则

Design and Selection for Type,Specification and Components of Roof Support

液压支架架型、参数及其元件的设计与选择

Brief Analysis of Type and Structures of Two-legged and Four-legged Top Coal Caving Hydraulic Powered Support

两柱与四柱放顶煤液压支架架型及结构浅析

tandem support system

串联液压支架推进法