A mathematical model for calculating the radiation intensity of natural gamma ray penetrating through the coal seam and the canopy of hydraulic support was set up.
建立了自然 γ射线穿透顶煤层和液压支架顶梁后辐射强度的数学模型 。
The dissertation supported by the project of the Alpha Magnetic Spectrometer (AMS-02), concentrates on structural analysis and optimum design in Top Bracket.
0,对AMS-02的顶部支架(Top Bracket)进行有限元结构分析和优化设计。
The Emulate to Analyse of ZF3500/17/29 Hydraulic Support's Uper Beam at Statics;
ZF3500/17/29液压支架顶梁的有限元应力分析
Analysis of Causes of Deformation and Cracking Inefficiency on Top-beam Central Section of ZZS4600/13/25 Hydraulic Supports
ZZS4600/13/25液压支架顶梁中部变形开裂失效分析
Abstract: By analysing the structure characteristic of the top beam,a suit of working technology process and characteristic are summarized.
文摘:通过对液压支架顶梁结构特点进行分析，总结出一整套顶梁的加工工艺及特点。
support(a roof,bridge,etc)with trusses(truss )
用构架支撑（屋顶、桥梁等）.
frameworksupporting a roof,bridge,etc
（支撑屋顶、桥梁等的）构架,桁架.
A horizontal or transverse beam, especially a structural member resting on two supports.
横梁，顶梁水平的或横向的梁，尤指架在两个支柱上的建筑构件
Application of Split-top Beam Suspended Support in Slope and Middle Thick Coal Seam
分体顶梁悬移支架在倾斜中厚煤层中的应用
On D temporary beam pivot conversion method in jacking large-span skew frame construction
D型便梁支点转换法顶进大跨度斜交框架施工
Application of Entirety Asssembly Bar Suspension Hydraulic Timber in Sanjing Changcheng Coal Mine
整体组合顶梁悬移液压支架在长城三井的应用
The timber carries the whole weight of the roof.
栋梁支撑屋顶全重。
Erect steel columns, beams, and joist - 3rd floor and roof
架设钢柱、梁和托梁：三层和楼顶
connecting the crossbeam to the apex of a triangular truss.
连接大梁和三角孔桁梁顶点的支柱。
used to support floors or roofs.
支持地板或房顶的撑架。
The girders are carried on trestles.
这些大梁是由支架撑着。
A trestle or system of trestles, as that supporting a bridge.
栈架结构一个支架或支架系统，如用于支撑桥梁
The main suspension gallows consist of a steel box beam, sitting on hydraulic jacks that support all the structure during concreting.
主吊架有一钢箱梁组成，坐落在液压千斤顶上，在浇注混凝土过程中支撑所有结构。
A transverse structural member or framework used for strengthening a bridge or trestle.
排架用于加固桥梁或支架的横向构架或框架
A floor or roof beam placed between two long beams that supports the ends of the tailpieces.
顶梁，楣放大两根长梁之间用来支撑半端梁尾部的一块地板或尾梁