headrest是什么意思

网络释义

用法例句

Study on the Construction Technology of Ladder Sleeper Vibration Reduction Ballastless Bed on the Urban Rail Viaduct

城铁高架桥上梯形轨枕减振道床施工技术研究

The paper describes the design of plane layout of ladder sleepers on curve sections with super-elevation and the method of installing super-elevation on curve sections.

阐述梯形轨枕在设有超高的曲线地段平面布置的计算方法,以及曲线地段超高的实现方法。

The transfer mechanism of longitudinal forces of the rail equipped with ladder sleepers on bridge is different from that of traditional ballastless track because of structural differences.

梯形轨枕是一种新型的轨道结构形式,由于结构上的差异,桥上梯形轨道无缝线路纵向力传递机理与常规桥上无缝线路有所不同,而目前梯形枕的使用和研究尚处于起步阶段,对纵向力问题研究尚少。

Study on the Construction Technology of Ladder Sleeper Vibration Reduction Ballastless Bed on the Urban Rail Viaduct

城铁高架桥上梯形轨枕减振道床施工技术研究

Study of the Equipment for the Lateral Pre-stressing of the Trapezoidal Sleeper

梯形轨枕横向预应力张拉工装设备的研制

Analysis of Longitudinal Force of Ladder Track Sleeper on Bridge in Urban Rail Transit

城市轨道交通桥上梯形枕轨道纵向力分析

ribbed soleplate

(混凝土轨枕)肋形垫板

Study on Calculation Method and Structure of Monolithic Track-bed in Metro Shield Tunnel;

盾构隧道无轨枕整体道床计算方法及其结构形式研究

prestressed reinforced concrete sleeper

预应力钢筋混凝土轨枕

monoblock prestressed concrete sleeper

整体预应力混凝土轨枕

They spiked the rails to the ties.

他们把铁轨钉到枕木上。

Modeling and Deformation Analysis of Elevator Rail With Duplex Safety Gear

双安全钳作用下的电梯导轨建模与变形分析

To assume the shape of a pillow.

当作枕头假定为枕头形状

Study on Vertical Vibration of Wheel and Track Based on Elastic Beam Sleeper;

基于弹性梁轨枕的轮轨垂向耦合振动研究

Basic Test and Dynamical Analysis for Elastic Sleeper;

弹性轨枕有碴轨道的基础试验与动力分析

Study on the Dynamic Characteristics of the Ballastless Track with Sleeper Embeded on Bridge

桥上轨枕埋入式无砟轨道动力特性分析

Construction Technology of the Prefabricated Sleeper of Prestressed Concrete;

预应力混凝土轨枕预制施工技术研究

DEVELOPMENT OF HOT-ROLLED WIRE BAR OF 45Si2Cr STEEL FOR SLEEPER WIRE

轨枕钢丝用钢45Si2Cr热轧盘条的研制

Research on Structure of Body Bolsters for 200 km/h Track Inspection Cars

200km/h轨检车枕梁结构研究

Design of impulsive device of automatic sleeper bolts oiling equipment

轨枕螺栓自动涂油机冲击装置的设计

Property of high strength pre-stressed concrete sleeper adding fly ash

掺粉煤灰高强混凝土轨枕的性能研究