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- This article,with the help of the friction mechanics theory,has analyzed rail scratch and the cause,mechanism and harm of its derivative harms and proposed some renovation measures concerning it. 文章运用摩擦力学理论对钢轨擦伤及其派生病害的成因、机理、危害等进行了认真分析,并针对性地提出了整治措施。
- How did you come by that scratch on your cheek? 你脸上的抓痕是怎么来的？
- It's cheaper to ship goods by road than by rail. 公路运输比铁路运输便宜。
- I had to scratch my head to remember his name. 我只想苦苦地回忆他的名字。
- A suggestion to have the function of rail scratch - resistance for DK - 1 electro- pneumatic brake used in twin locomotive 对DK-1型电空制动机增设重联机车防打伤钢轨功能的建议
- There'll be the devil to pay if you scratch my car! 你要是划坏了我的汽车你就有麻烦了！
- Is her schoolwork up to scratch? 她的功课行吗?
- How do you come by that scratch on your cheek? 你脸上的抓伤是怎么来的？
- The coal will be shipped by rail. 这些煤将用火车装运。
- Scratch my back and I'll scratch yours. [谚]你帮我，我帮你。
- If you are under 26 you can buy cheap rail tickets. 未满26岁者可购买廉价火车票。
- He heard the scratch of a match. 他听到划火柴的声音。
- The local rail service (was) discontinued in 1958. 当地的铁路运输在1958年中断了。
- He pretended to scratch his ear. 他假装搔耳朵。
- We had to start again from scratch. 我们必须再从头开始。
- The goods have been consigned (to you) by rail. 货物已交由铁路发运(给贵方).
- A pianist has to practice every day to keep up to scratch. 钢琴手要天天练习才能保持高水平。
- Doped out our proposal on scratch paper. 在便条纸上粗略地写出了我们的计划
- He began to scratch along for himself at an early age. 他从很小的时候起就开始自己挣饭吃。
- I have forwarded you by rail the sample you write for. 我已经把您写信索要的样品通过铁路送给您。
