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介绍了１２０Ｋｍ／ｈ快运集装箱平车承载鞍的结构特点，分析了在普通机床上加工精度较高 的承载鞍的加工工艺，并对加工难点提出了建议。
The structural features of the 120Km / h express container flatbed saddle are introduced. The processing technology of the saddle with high machining accuracy on common machine tools is analyzed. Some suggestions are put forward for the processing difficulties.