heavy-rail steel 重轨钢
Clean Heavy Rail Steel 洁净重轨钢
carbon heavy rail steel 碳素重轨钢
heavy rail steel production 生产重轨钢
heavy-rail carbon steel 碳素重轨钢
heavy steel rail 重型钢轨
Heavy rail steel is the key materials;the performance will directly affect the safety of transport.
重轨钢是铁路上的重要物资,其性能的好坏将直接影响运输的安全。
参考来源 - 高碳钢中稀土与磷作用机制的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
According to smelting condition of Baotou iron and steel group, VD refining process should be adopted to reduce the hydrogen content in the heavy rail steel.
根据包钢重轨钢的冶炼条件，采用VD真空处理降低钢液中氢含量是完全必要的。
A mathematic model to predict the mechanical properties of heavy rail steel has been developed by means of neural network according to the demand of production.
采用神经网络方法建立了重轨生产性能预报模型，并通过模型结构优化提高了模型预报的可靠性。
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