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- Study on the Fatigue Life of the Tunnel Bed Structure under Train Loads 列车荷载作用下隧道铺底结构疲劳寿命分析
- tunnel bed structure 铺底结构
- A conclusion is drawn that the tunnel bed construction made of 20 cm-thick reinforced concrete offers comparatively long fatigue lives. 根据计算结果得出20 cm厚钢筋混凝土铺底结构使用寿命较长的结论。
- A novel FEA model of the precise bearing-outring grinder is built and based on the model the influence of the bed structure on its dynamic behavior is studied. 其过程如下,首先建立了磨床的有限元模型,并分析了床身中筋板结构对床身动态特性的影响。
- A novel FEA model of the precise centreless grinder is built and based on the model the influence of the bed structure on its dynamic behavior is studied. 建立了无心外圆磨床的有限元模型,并分析了床身筋板结构对床身动态特性的影响。
- Coalfield structure was controlled by NNE structure.Coal bed structure thinning belt was also extended in NNE directions, Southern Hebei coalfield. 煤田构造主要受北北东向构造所控制,其煤层构造变薄带也主要呈北北东向伸展。
- The adsorption bed structure filling sorbent in tube and flowing heat transfer media out of tube was designed and the corresponding mathematical model was established. 摘要设计了管内填充吸附剂，管外走传热介质的新型吸附床结构，建立了相应的数学模型。
- Dynamically optimized designing is carried out for the bed of CNC lathe CK1416 with support of CAD/CAE and based on the dynamic and FEM model analysis on the bed structure, and the modified bed has a good dynamic performance . 基于CK1416型数控车床床身的动态测试和有限元建模分析,在CAD/CAE技术的支持下,对床身结构进行了动态优化设计,改进后的车床床身具有良好的动态特性。
- The salt-related structures and trap styles can be divided into suprasalt structure, salt bed structure and subsalt structure. 羌塘盆地中侏罗统盐岩层系发育,并控制了盆地变形和圈闭样式,将盆地盐相关构造和圈闭类型分为盐上、盐层(盐间)和盐下3种型式。
- Research on coal bedding structure is the theory foundation and precondition of coal seam gas exploitation. 煤体层理结构的研究是煤层气开发开采的理论基础和前提条件。
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- The main salt bed structures are pillow-like salt diapirs, salt plugs and allochthonous salt sheets. 盐层构造有枕状底辟、盐株和外来盐席；
- They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
- The brook warbled over its rocky bed. 小溪潺潺流过多石的河床。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- Some typical cold bed structures in bar and shape rolling workshops at home andabroad and the principle to configurate reasonably cold bed are introduced. 介绍了国内外小型轧钢车间一些典型的冷床结构和合理配置冷床的原则。
- The two lanes merge going into the tunnel. 两条车道会合后引入隧道。
- The truck cleared the tunnel safely. 卡车安全地通过了隧道。
- He has to stoop to get through the tunnel. 他得弯下腰走过地道。
- BED STRUCTURE ANALYSIS ON THE MACHINING CENTER 加工中心床身结构分析
