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DF-21型多信息站内电码化设备固安信通铁路信号器材有限责任公司GUANXINTONGRAILWAYSIGNALEQUIPMENTCO
技术资料目录第一节概述··························································································11、名词解释····························································································································12、技术特点:·························································································································1第二节系统原理···················································································11、正线预叠加系统原理·············································································································12、股道叠加系统原理················································································································1第三节、设备在各系统中的应用·········