介绍了铁路道岔60at轨跟端加工生产工艺现状，国内外同类技术概况。
The actuality of process and production of heel of 60at rail for railway switches and crossing was introduced, and the congener technology at home and abroad was summarized as well.
铁路道岔及其转换设备是铁路线路中至关重要的设施又是轨道中的薄弱环节。
The rail switch and converse equipment are very important, but unfortunately it is a weak link in railway.
铁路道岔及其转换设备是铁路线路中至关重要的设施又是轨道中的薄弱环节。
The rail switch and converse equipment are very important, but unfortunately it is a weak link in railway.
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