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长期以来 ,新线首次开通限速 1 5km/h,最高限速 45km/h,严重影响铁路运能。本文就我单位工程实践 ,对提高新线首次开通速度的施工技术措施作一些探讨
For a long time, the first new speed limit was 15km / h and the maximum speed limit was 45km / h, seriously affecting the railway transport capacity. This article on my unit engineering practice, to improve the speed of the new line for the first time to open some technical measures for construction