ballast是什么意思

网络释义

用法例句

Laboratory experiment study on the ballast and ventilated railway embankment in permafrost regions;

多年冻土区道碴、通风管结构铁路路基室内试验研究

Test and Study on Ballast Elasticity and Accumulated Deformation;

道碴弹性与累积变形的试验研究

Effects of Ballast Thickness on Rail Track Structure;

道碴厚度对轨道结构的影响

The rail beds well on the ballast.

铁轨在道碴上搁得很稳。

Study on Structural Behavior of Track-ballast-beam System

轨道—道碴—梁体系统受力性能研究

Study on Testing Method for Ballast Resistance of UM-71 Jointless Track Circuit

无绝缘轨道电路道碴电阻测试方法的研究

Coarse gravel or crushed rock laid to form a bed for roads or railroads.

道碴用来铺公路或铁路路基的粗砂砾或碎石

The rails of the two tracks are supported on wooden ties resting on a ballast.

两条线路的钢轨放置在有道碴承托的枕木上。

The Research of Railway Ballast Produce System of Lulong Quarry;

卢龙采石场铁路道碴生产系统优化研究

The Mechanics Analysis of Continuous Bed Slab of Ballastless Track of Switch;

道岔区无碴轨道连续道床板力学分析

Study of Foundation Style Choice to the Continuous Welded Turnouton on Ballastless Bridge;

桥上无缝道岔无碴轨道基础选型研究

Study on Construction Technology of Double-block Ballastless Track in tunnel

隧道内双块式无碴轨道施工技术研究

Study on Column-Net Structure Embankments of Ballastless Track in High Speed Railway;

高速铁路无碴轨道桩网结构路基研究

Calculation of Impedance of Rail Track for Ballastless Track Line;

无碴轨道线路钢轨阻抗参数计算方法

Research on Wheel-Rail Rolling Noise on Ballasted Track of Passenger Dedicated Line;

客运专线有碴轨道轮轨滚动噪声研究

Finite Element Analysis for Strength of Track Structure;

有碴轨道结构强度有限元分析与应用

Study of CA Mortar Mixture Ratio and Construction Technology for Slab Track on Qin-Shen Passenger Railway;

板式无碴轨道CA砂浆与施工技术研究

Research on Project Management of Slab Track Construction Equipment;

无碴轨道施工装备研发项目管理研究

The Research of Lowest Radius to High-Speed Railways with Ballastless Tracks;

无碴轨道高速铁路最小曲线半径研究

Analysis of design and construction for Rheda 2000 type ballastless track;

Rheda 2000型无碴轨道设计与施工分析

On dynamic adjustment construction of CRTS Ⅰ type unballasted track

CRTSⅠ型板式无碴轨道线路动态调整施工