Noun:

1. the activity of designing and constructing and operating railroads

railroadn.铁路；铁路公司=railway（英）.vt.由铁道运输；使（议案等）草草通过；迫使仓促行事vi.在铁路公司工作railroad labor铁路工务railroad reform铁路改革railroad system铁路系统railroad sidingn.铁路侧线railroad switch道岔railroad grease铁道润滑油railroad policy铁路保险单railroad manila马尼拉纸板railroad roller钢轨滚轨机railroad design铁路设计

1. Energetically railroading development is important promoting condition of west exploitation and economic development.
   大力开展铁路建设是实施西部大开发，促进西部经济发展的重要条件。