Rail grinding is a practical and economical technique for not only removing surface defects but also maintaining favorable rail profiles.
不管是对于除去钢轨表面缺陷还是保持钢轨合适的外形轮廓、保证行车稳定性来说，钢轨打磨都是经济和实用的技术。
Rail grinding is a practical and economical technique for not only removing surface defects but also maintaining favorable rail profiles.
不管是对于除去钢轨表面缺陷还是保持钢轨合适的外形轮廓、保证行车稳定性来说，钢轨打磨都是经济和实用的技术。
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