... rail rolling 钢轨轧制 rail rolling mill 钢轨轧机 rail rolling sequence 钢轨轧制系统 ...
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The high quality heavy rail must be produced by high precision rolling technology. The conventional technology of 2-h mill adopted in our country is difficult to produced it.
阐述了目前市场急需的高质量重轨必须实现高精度轧制，我国现有重轨厂采用二辊孔型轧制难以满足要求。
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