Rail main的意思|示意

To install the crane span before installation, camber, level of metal structure of main girder bending, trolley rail height difference, gauge deviation, diagonal bridge survey.

安装前要对起重机安装跨度，金属结构主梁的拱度、水平旁弯，小车轨道高低差、轨距偏差，桥架对角线等进行测量。

The main purpose of this article is to know the extra influence of the construction of urban rail transits better.

本文的主要目的是增加对轨道交通建设外部经济的研究，进而对这一部分外部经济进行恰当的安排。

To demolish the key bridges, freight yards, and main rail arteries of france would inevitably result in casualties among the french population .

破坏法国重要桥梁、飞机场、及主要铁道干线，势必伤害法国人民。

What's more, a system that charged cars specifically for the pollution they cause would undermine one of the main arguments for subsidising rail.

更何况一项专门对小汽车引起污染收费的系统将会破坏给轨道交通以补贴的主流观点。

The main beneficiaries will be Europe's rail giants, many of which are keen to move beyond their mature home markets.

这些项目的主要受益者是欧洲的铁路巨头，他们都倾向于走出国内的成熟市场。

The structure of slide rail over and under type skid bed drawing steel rail has been introduced, and the strength and rigidity of main load -bearing slide rail have been calculated.

介绍了攀钢轨梁厂钢轨收集装置——滑轨升降式拉钢台架的结构，并计算了主要受力构件滑轨的强度和刚度。