C-grade steel is widely used for train wheels,train couplings and other parts,some of which are subjected to high temperatures and plastic deformation.
C级钢因其优越的机械性能而广泛应用于火车车轮、车钩等重要零部件上。
参考来源 - 火车用C级钢的高温流动应力·2,447,543篇论文数据，部分数据来源于NoteExpress
Made a design of electromagnetic acoustic automatic detecting system for surface cracks of the train-wheels.
介绍了一种基于电磁超声波技术的火车车轮表面裂纹自动检测系统的设计方法。
The train is in fact a big bamboo bed with four wheels and a small engine.
那部火车其实就是一张大竹床，有四个轮子和一台小发动机。
The train was great, just like a hotel on wheels.
火车太棒了，就像有轮子的旅馆。
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