![PABX造句怎么写]( "PABX造句怎么写")
- PABX[PrivateAutomaticBranchExchange]SpecificationfordesignofSPCPABXengineeringinindustrialenterprisesDesignofExpertSystemforPABXFaultDiagnosticThisPaperintroducestheinterfacecircuitsschemesofthePABXthatrealizesthelocalofficesubscriberstocallthesubscr...
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