枕木

• Railway applications - track - concrete sleepers and bearers - part 5 : special elements
  铁路设施.轨道.混凝土枕木和支撑架.第5部分:特殊构件
• Trains are in danger of running off the rails if white ants have invaded the supporting beams
  铁路枕木如果受白蚁侵蚀，火车就有出轨的危险。
• Railway applications - track - concrete sleepers and bearers - part 1 : general requirements
  铁路设施.轨道.混凝土枕木和支撑架.第1部分:一般要求
• One of the beams , usually made of wood , that are laid across a railroad bed to secure the rails
  枕木横放在铁路基上以固定铁轨的梁中的一根，通常为木制
• Railway applications - track - concrete sleepers and bearers - part 3 : twinblock reinforced sleepers
  铁路设施.轨道.混凝土枕木和支撑架.第3部分:加筋双块枕木
• We make you the best offer we can of our fir sleepers for delivery during the first two month of19 -
  现向你提供最优惠价格的枞材枕木，交货期为19年1至2月份。
• Railway applications - track - concrete sleepers and bearers - part 2 : prestressed monoblock sleepers
  铁路设施.轨道.混凝土枕轨和支撑架.第2部分:加预应力的单块枕木
• Railway applications - track ; concrete sleepers and bearers - part 5 : special elements ; german version en 13230 - 5 : 2002
  铁路设施.轨道.混凝土枕木和支撑架.第5部分:道岔和交
• Railway applications - track ; concrete sleepers and bearers - part 1 : general requirements ; german version en 13230 - 1 : 2002
  铁路设施.轨道.混凝土枕木和支撑架.第1部分:一般要求
• Railway fixed equipment . sleeper screws for wood sleepers . characteristics , specifications and acceptance conditions
  铁路固定设备.铁路固定设备.枕木用螺纹道钉.性能规格和验收条件