heavy rail steel 重轨钢
heavy-rail steel 重轨钢
heavy-rail 重轨
for heavy rail 钢重轨
heavy rail car 重型轨道车
heavy rail bloom 重轨坯
heavy rail stock 重轨坯
heavy rail tread 重轨踏面
heavy rail tilter 重轨翻钢机
In heavy rail rolling by universal mill,a simplified 3-dimention geometrical model has been built firstly. The kinematically admissible velocity field of the web,head and base of rail have been determined respectively,moreover the corresponding shear strain rate have been also obtained.
在重轨万能轧制过程中,首先建立了简化的三维几何模型,然后分别给出了轨腰、轨头及轨底的运动学许可速度场以及相应的应变速度场和剪应变速度强度。
参考来源 - 上限原理在重轨万能轧制过程平均温度计算中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
The equivalent figures for passenger kilometres are 75% by automobile, 24% by air and 1% by heavy rail.
而乘客旅行里程数的等效数据是：汽车：75%，飞机：24%，火车：1%。
The hydrogen content in the molten heavy rail steel was measured in every stages from LD tapping to mould(without the VD refining process).
研究了包钢重轨钢从转炉出钢到结晶器各个工序过程（未经VD真空处理）钢液中氢含量变化。
The team compared the lifecycle emissions of high-speed electric rail with transport by car, by heavy rail (the Amtrak diesel system) and by air.
研究小组将高速列车同汽车，火车（美国的全国铁路乘客公司的柴油机车）以及飞机的排放周期进行了比较。
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