机车

High quality rail material and high precision track is required to enhance the locomotive speed.

铁路机车速度的提高对钢轨的材料和尺寸磨损提出了更高的要求。

A man sitting on rail track cleaning motor-bike's wheel cover.

坐在火车轨上清洁机车轮盖的人。

In this paper, the influence of track stiffness on vibration and noise of highspeed wheel/rail system for slab track is investigated under the excitation of wheel/rail roughness on the basis of wheel/rail noise prediction model.

文献仁1〕在国外轮轨噪声相关研究的基础上，结合机车车辆一轨道藕合动力学原理2〕，提出了列车一轨道多轮对系统的轮轨噪声预测模型。

An excellent example is the railroad locomotive engineer who operates a train.

一个很贴切的例子就是开火车的铁路机车工程师。

The main physical distribution commodity includes: Steel products, hard powdered ore, hardware electrical supplies, railroad engineering, electricity service locomotive fitting and so on.

主要物流商品有：钢材、铁矿粉、五金电料、铁路工务、电务机车配件等。

Copper alloy with high conductivity and high strength is widely used for wind mill generator and pulling motor used for electric express locomotive to reach to high power and small in size.

风力发电机、高速电力机车用牵引电机等，为达到大功率、小体积的使用效果，广泛使用高导电性和高强度的铜合金。

This article discusses about how to fix the position of rolling stock wheelsets onto the underfloor wheel lathe and analyses the positioning principles and characteristics of the friction driving roller s based on the underfloor wheel lathe manufactured by SCULFORT.

结合法国SCULFORT公司生产的数控不落轮机床，就机车车辆轮对在不落轮机床上的定位方法展开论述，分析其摩擦驱动轮的定位原理及其特点，并结合其它不落轮机床的定位结构形式进行了综合比较。

The authors give the definition of insertion loss of electric locomotive in inductive communication through trolley wire in a mine tunnel and compute insertion loss and transmission loss. After contrasting the two losses, we know that the insertion loss is very large and it is necessary to use dedicated induction line.

给出了在矿井中利用电机车架空线进行感应通信时，架空线负载引起的插入损耗的定义，计算了插入损耗和无负载时的电磁波传输损耗并对比了这两种损耗，可知插入损耗是非常大的，这说明了使用专用感应线的必要性。

A grade for use in locomotive traction motors and wheel motors in off highway vehicles.

DE7 55 92 1.80 35 2.50 0.15 15.5 51 使用于机车牵引电机和矿用牵引电机。

Railway locomotive depot is an important department of railway, in charge of performing and maintaining traction engine.

铁路机务段是铁路重要生产单位，主要负责铁路牵引机车的日常运行、维护和修理。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。