- 双轨: double track two-way; dual
- 枕: pillow block
- 双轨枕接头: double sleeper joint
- 双轨: 1.[交通运输] double track2.two-way; dual◇双轨贸易 two-way trade; 双轨铁路 duorail; double-track railway; 双轨销售 dual distribution; 双轨枕 twin sleepers; twin ties
- 轨枕: [铁道] sleeper; cross-sleeper; tie; rail bearing 纵向轨枕 longitudinal sleeper; 轨枕板 concrete slab sleeper; 轨枕槽规 adzing gauge; 轨枕钢 sleeper bar; 轨枕锯面机 tie scoring machine
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