As there were leak on contact place between shaft and rotor body in built up hollow rotor, dropping discharg gas speed of pump and efficiency applied of oil sealed sliding vane rotary vacuum pump.
组合式空心转子由于轴头与转子体之间的结合面存在着渗漏 ,使泵的抽气效率性能下降 ,从而影响其在应用中的效率。
The Test Study on the Prestressed Space Composit Truss;
预应力空间组合桁架技术的试验研究
Research on Dyamic Responses of Combined System of Spatial Steel Tube Arch Truss Subjected to Earthquake;
组合空间钢管拱桁架结构在地震作用下的动力响应研究
Spatial Analysis of Bridges Composed of Arches and Trusses by Truss Section Finite Element
应用桁段有限元法对拱-桁组合体系桥的空间分析
Research on Mechanical Behavior of Open-Web Grouted-Round-Steel-Tube Truss-Composite Beam and Its Application;
空腹灌浆圆钢管桁架—混凝土组合梁受力性能研究及应用
Construction Technology of Spatial Truss Stay Cable Structure in Changping Comprehensive Gymnasium
昌平综合体育馆立体桁架斜拉索空间结构施工技术
Study for Load Transfer Mechanism of Space Truss of Combined Pile Caps under Group-column
群柱下联合桩承台空间桁架传力机理的探讨分析
The Study of Space Truss Model Design Method of Pile Caps
独立承台空间桁架模型设计方法研究
STUDY FOR LOAD TRANSFER MECHANISM OF SPACE TRUSS MODEL SIMULATING THICK PILE CAPS(1)
厚承台空间桁架受力机理的研究(1)
Optimized Research of Space Truss Structure Based on the ANSYS;
基于ANSYS的空间桁架优化研究
The CAD/CAM Technologic Research on Spatial Truss;
相贯线空间管桁架CAD/CAM技术研究
Scheme Design of Large-span Steel Structure Truss Structure
大跨度空间钢结构桁架结构设计研究
Design and Analysis on Space Steel Pipe Truss Elevated Pedestrian Crossing
空间钢管桁架人行天桥的设计与分析
The truss comprises four plane trusses each two panels and each panel has one diagonal brace.
桁架由四个平面桁架组成，每两个节间及每个节间均有对角撑。
Research on Floor-Truss-Interaction for Staggered Truss System;
交错桁架结构体系楼板与桁架空间共同作用性能研究
MECHANICAL PROPERTIES OF SIMPLE COMPOSITE TRUSS WITH SANDWICH PANEL
简支组合桁架夹芯板的力学性能研究
Theoretical Analysis on Three-dimensional Working Capability of Large-span Open-web Trussed Transfer Structure;
预应力空腹桁架转换结构空间工作性能分析
Constraint Violation Stabilization for Quasi-static Deployment Analysis of Deployable Space Truss
空间可展桁架拟静力展开分析的违约稳定方法
Research on Design Method of Space Truss of Pile Caps and Raft
桩基承台和筏板的空间桁架设计方法研究