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本文以沙湾里隧道接触线拉弧为例,对接触线出现拉弧的原因进行了初步分析和探讨,并提出了解决这一问题的措施及建议。
Taking the arc of the contact line of Shawanli tunnel as an example, the reasons for the arc of the contact line are analyzed and discussed. The measures and suggestions to solve this problem are put forward.