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德国基础设施管理者德国联邦铁路(DB)网络宣布,计划在未来10年里,在332km的市郊铁路网上,替换机械放气阀安全系统。新系统将使用安装在轨道上的应答器,替代放气
German infrastructure manager DB Deutsche Bahn (DB) announced that it plans to replace the mechanical bleed valve safety system over the 332 km suburban railway network over the next 10 years. The new system will use on-track transponders instead of deflating