flow of rail head 轨头肥边
lipping of rail head 轨头肥边
side wear of rail head 轨头侧面磨损 ; 轨头侧面磨耗
rail head shelling 轨头剥离
vertical split of rail head 轨头垂直劈裂
N a terminal of a railway 铁路末端
To be able to acquire the whole profile of the rail head two LLT sensors are required.
采用激光轮廓扫描仪的好处是无接触，精准以及快速。 为了得到铁轨整体外轮廓，需要两支轮廓扫描仪同时工作。
The contour size changes of rail before and after straightening, involving width of rail head, rail height and rail length, were measured. The causes of rail height decrease were analyzed.
测定了矫直前后钢轨外形尺寸变化(包括轨头宽度、轨高、钢轨长度)，分析了轨高减少的原因。
The jolt to the streetcar knocked the old man's head against a seat rail and drove Enzo to his knees.
对有轨电车的撞击使那个老人的头撞在一个座椅横档上，也撞得恩佐双膝跪在地上。
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