The excitement of railroad building also brought abuses.

修建铁路热也引起了一些弊端.

英汉非文学 - 政府文件

Then the railroad building era really began.

铁轨也在慢慢向北延伸.

飘（部分）

Railroad building equipment is that the essential important component of railage production.

铁路房建设备是铁路运输生产不可缺少的重要组成部分.

互联网

In the last few years, important technological advances in railroad building have taken place.

在过去几年里, 铁道施工取得了重大进展.

互联网