| 1. | The rail continued to vibrate softly .
钢轨继续微微颤抖着。 |
| 2. | 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。 |
| 3. | Many engineering pairs such as the wheel-and-rail combination described in section 8. 2. 1 generate elliptical contact areas .
工程上的许多运动组合，诸如821节中所描述的车轮与钢轨组合，都产生椭圆接触面。 |
| 4. | If i placed a safety pin on a steel railroad track and let a train run over it, the safety pin would turn into a pair of bright brand-new scissors .
如果把一枚别针放在铁路钢轨上，让火车从上面压过，别针就会变成一把闪光发亮的新剪刀。 |
| 5. | General technical specification of rail grinding machine
钢轨打磨机通用技术条件 |
| 6. | Fish - plates for 43kg m and 38kg m steel rails
每米38及43公斤钢轨用鱼尾板型式尺寸 |
| 7. | Standard specification for carbon steel crane rails
起重机用碳钢轨条的标准规范 |
| 8. | Steel sleepers - dimensions , static values , steel types
钢轨枕.尺寸静态值钢类型 |
| 9. | Currency technical condition for rail drilling machine
钢轨钻孔机通用技术条件 |
| 10. | Iron and steel . uic 50 flat bottom railway rail
钢铁.国际铁路联盟uic 50平底钢轨 |
