论文部分内容阅读
本刊于70年二、四期上刊登:钢筋混凝土轨枕图纸使用情况及钢筋混凝土轨枕及其它新型轨下基础扣件概况两文,很多单位来函要求索取。但第二、四期已发完,为了滿足各单位的需要。本刊特将该两文再版登载。以供参考。
This issue was published in the 2nd and 4th issue of 2007: the use of reinforced concrete sleeper drawings and the profile of reinforced concrete sleepers and other new types of rail-based fasteners. However, the second and fourth periods have been completed, in order to meet the needs of various units. This issue is specifically published in this edition. for reference.