track cross over是什么意思

用法例句

Aim\ To research connecting problem of rail skip string.

目的　研究路轨跳线的连接问题 。

To master in time the status of railway track geometry under repeated train loads,modern track inspection car and computer processing techniques are adopted to inspect it and evaluation standards concerned are established in many countries.

在此,通过对实测数据的分析,比较不同评价方法和标准的异同点,并对我国铁路轨道几何形位的养护和评价方法提出了参考性意见。

This paper analyzed the characteristics of the four components such as the main strengthened material wood resid- ual,the auxiliary strengthened material glass fiber,the main body material phenolic:resin and the filled material industrial ashes, and discussed their effects on the whole characteristic of railway sleeper composites.

结果表明,作为铁路轨枕复合材料的4种主要组分,各自优点突出,特性相互适应,将对复合材料整体产生积极、良好的复合效果。

Four kinds of structure design schemes are presented based on the researches to the composite properties,structure design principles and processing techniques requirements of railway sleeper composites.

在对铁路轨枕复合材料的复合特性、结构设计原则和加工工艺要求等研究的基础上,设计了4种铁路轨枕复合材料结构方案。

Using the method of the affine transformation,this paper discusses some usual types of shiploader according to the arrangement of rails.

根据装船机的路轨布局，用仿射变换方法探讨了几种常用的装船机型式。